Cita APA (7th 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 (17th ed.)

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

Cita MLA (9th ed.)

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