|This biographical article on an association football player may have out-of-date career information.|
|Date of birth||17 September 1984|
|Place of birth||Avellino, Italy|
|Height||1.82 m (5 ft 11 1⁄2 in)|
|Playing position||full back, winger|
|* Senior club appearances and goals counted for the domestic league only.
Born in Avellino, Campania, Citro started his career with Emilia side Parma, as first as a midfielder. In January 2004 he left for Serie C2 side Carrarese in co–ownership deal, where he spent 4½ Serie C2 seasons. Parma also gave up the remain 50% registration rights to Carrarese in June 2005. He also spent 1 season with Serie C1 side Manfredonia, signed a reported 2–year contract.
He returned to Carrarese in August 2007.
Citro capped for Italy at U15 level (the feeder team of U16 team, now U17 team). In November 2004 he received a call-up from Italy under-21 Lega Pro representative team against England C, but as unused bench. He also selected to annual Serie C Quadrangular Tournament, but for Serie C2/B U21 representative team in February 2005.
In June 2005, he was selected to Italy U21 B team which specially for 2005 Mediterranean Games, and for a preparation match against Serie D Best XI. He started both match against Morocco and Libya, but both replaced by Fabio Catacchini at second half.
- D'Ambrosio, Germano (20 June 2006). "Manfredonia: preso Citro". Tutto Mercato Web (in Italian). Retrieved 25 August 2010.
- D'Ambrosio, Germano (21 August 2007). "UFFICIALE: Citro torna alla Carrarese". Tutto Mercato Web (in Italian). Retrieved 25 August 2010.
- "CONVOCAZIONI RAPPRESENTATIVA SERIE C GARA AMICHEVOLE DEL 10 NOVEMBRE 2004" (PDF). Lega-Pro.com (in Italian). 8 November 2004. Retrieved 25 August 2010.
- Binda, Nicola (11 November 2004). "L' Italia si inchina a King". La Gazzetta dello Sport (in Italian). Retrieved 25 August 2010.
- "CONVOCAZIONE CALCIATORI C/2 GIRONE B PER TORNEO TORNEO QUADRANGOLARE DI SERIE C/2" (PDF). Lega-Pro.com (in Italian). 7 February 2005.
- "TOP 11 SERIE D: i convocati delle squadre partecipanti all'evento di Macerata". Serie D News (in Italian). 27 May 2005. Retrieved 22 August 2010.
- "Azzurri, un pari vale la qualificazione". La Gazzetta dello Sport (in Italian). 28 June 2005. Retrieved 22 August 2010.
- Bozza, Gennaro (24 June 2005). "La May cerca la misura, è qui il basket del futuro". La Gazzetta dello Sport (in Italian). Retrieved 23 August 2010.