Cita APA

Appleby, P., Key, T., Thorogood, M., Burr, M., & Mann, J. (2002). Mortality in British vegetarians.

Citación estilo Chicago

Appleby, P., T. Key, M. Thorogood, M. Burr, and J. Mann. Mortality in British Vegetarians. 2002.

Cita MLA

Appleby, P., et al. Mortality in British Vegetarians. 2002.