APA Edition Citation

B W Calnek & M S Hofstad. (1972). Diseases of poultry (6th.). Ames.

Chicago Edition Citation

B W Calnek and M S Hofstad. Diseases of Poultry. 6th. Ames, 1972.

MLA Edition Citation

B W Calnek and M S Hofstad. Diseases of Poultry. 6th. Ames, 1972.

Warning: These citations may not always be 100% accurate.