Froggatt, P., & Walker, B. M. (2012). From precocious fame to mature obscurity: David Walker (1837–1917) MD, LRCSI, surgeon and naturalist to the Fox Arctic Expedition of 1857–59. Journal of Medical Biography, 20(4), 148.
Chicago Style (17th ed.) CitationFroggatt, Peter, and Brian M. Walker. "From Precocious Fame to Mature Obscurity: David Walker (1837–1917) MD, LRCSI, Surgeon and Naturalist to the Fox Arctic Expedition of 1857–59." Journal of Medical Biography 20, no. 4 (2012): 148.
MLA (9th ed.) CitationFroggatt, Peter, and Brian M. Walker. "From Precocious Fame to Mature Obscurity: David Walker (1837–1917) MD, LRCSI, Surgeon and Naturalist to the Fox Arctic Expedition of 1857–59." Journal of Medical Biography, vol. 20, no. 4, 2012, p. 148.
Warning: These citations may not always be 100% accurate.