Armitage was then Robert Falcon Scott's navigator and second-in-command on the Discovery Expedition to Antarctica. The other members were Ernest Henry Shackleton, George Mulock, Edward Adrian Wilson, Charles Royds, Frank Wild, Koettlitz, Skelton, Heald, Barne, Plumley, Quartley, Weller, Hare, Allen, Evans, Ferrar, Hodgson, Louis Bernacchi, Vince. On this expedition, he became the first person to walk on the polar plateau.
- Walton 1985, pp. 512-513
Walton, D.W.H. (1985). "Profile: Albert Borlase Armitage". Polar Record (Cambridge, United Kingdom: Scott Polar Research Institute) 22 (140). Retrieved 11 October 2014. (subscription required (. ))