Cita APA (7th ed.)

Key, T., & UK, C. R. (2011). Fruit and vegetables and cancer risk. Nature Publishing Group.

Cita Chicago (17th ed.)

Key, T., i Cancer Research UK. Fruit and Vegetables and Cancer Risk. Nature Publishing Group, 2011.

Cita MLA (9th ed.)

Key, T., i Cancer Research UK. Fruit and Vegetables and Cancer Risk. Nature Publishing Group, 2011.