Cita APA (7a ed.)

Appleby, P., Crowe, F., Bradbury, K., Travis, R., & Key, T. (2016). Mortality in vegetarians and comparable nonvegetarians in the United Kingdom. American Society for Nutrition.

Cita Chicago Style (17a ed.)

Appleby, P., F. Crowe, K. Bradbury, R. Travis, y T. Key. Mortality in Vegetarians and Comparable Nonvegetarians in the United Kingdom. American Society for Nutrition, 2016.

Cita MLA (9a ed.)

Appleby, P., et al. Mortality in Vegetarians and Comparable Nonvegetarians in the United Kingdom. American Society for Nutrition, 2016.