APA引文

Doll, R., Kinlen, L., & Skegg, D. (1976). Letter: Incidence of endometrical carcinoma.

Chicago Style (17th ed.) Citation

Doll, R., L. Kinlen, and D. Skegg. Letter: Incidence of Endometrical Carcinoma. 1976.

MLA引文

Doll, R., et al. Letter: Incidence of Endometrical Carcinoma. 1976.