APA-referens

Barger et al, B S POMEROY, E H Barger, & L E CARD. (1953). Diseases and parasites of poultry. Culcutta.

Chicago-stil citat

Barger et al, B S POMEROY, E H Barger, och L E CARD. Diseases and Parasites of Poultry. Culcutta, 1953.

MLA-referens

Barger et al, et al. Diseases and Parasites of Poultry. Culcutta, 1953.