Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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