Style de citation APA

Atkenson, Dickson, & Harbaugh. (2004). Diseases of cattle. Biotech books.

Style de citation Chicago

Atkenson, Dickson, et Harbaugh. Diseases of Cattle. Biotech books, 2004.

Style de citation MLA

Atkenson, et al. Diseases of Cattle. Biotech books, 2004.