APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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