APA-referens (7:e uppl.)

Guilford, T., Freeman, R., Boyle, D., Dean, B., Kirk, H., Phillips, R., & Perrins, C. (2011). A dispersive migration in the Atlantic puffin and its implications for migratory navigation. Public Library of Science.

Chicago-referens (17:e uppl.)

Guilford, T., R. Freeman, D. Boyle, B. Dean, H. Kirk, R. Phillips, och C. Perrins. A Dispersive Migration in the Atlantic Puffin and Its Implications for Migratory Navigation. Public Library of Science, 2011.

MLA-referens (9:e uppl.)

Guilford, T., et al. A Dispersive Migration in the Atlantic Puffin and Its Implications for Migratory Navigation. Public Library of Science, 2011.