Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.