Cita APA (7a ed.)

Sommerville, A., Macdonald, N., & Weston, R. (1995). Medical ethics today: Its practice and philosophy. BMJ.

Cita Chicago Style (17a ed.)

Sommerville, Ann, Natalie-Jane Macdonald, y Rosemary Weston. Medical Ethics Today: Its Practice and Philosophy. London: BMJ, 1995.

Cita MLA (9a ed.)

Sommerville, Ann, et al. Medical Ethics Today: Its Practice and Philosophy. BMJ, 1995.