APA (7th ed.) Citation

WP, B. (1996). Basal cell carcinoma of the anus. The American journal of gastroenterology, 91(5), 1043.

Chicago Style (17th ed.) Citation

WP, Butler. "Basal Cell Carcinoma of the Anus." The American Journal of Gastroenterology 91, no. 5 (1996): 1043.

MLA (9th ed.) Citation

WP, Butler. "Basal Cell Carcinoma of the Anus." The American Journal of Gastroenterology, vol. 91, no. 5, 1996, p. 1043.

Warning: These citations may not always be 100% accurate.