APA-referens

B W Calnak, B W CALNEK, & H John Marnes. (1994). Diseases of poultry (9.). AMES.

Chicago-stil citat

B W Calnak, B W CALNEK, och H John Marnes. Diseases of Poultry. 9. AMES, 1994.

MLA-referens

B W Calnak, et al. Diseases of Poultry. 9. AMES, 1994.