APA Citatie

J Englebert Duhphy, T L Mason, & Thomas W Bostsford. (1975). A World dictionary of livestock breeds types and varities (4th.). Philadelphia.

Chicago Style citaat

J Englebert Duhphy, T L Mason, en Thomas W Bostsford. A World Dictionary of Livestock Breeds Types and Varities. 4th. Philadelphia, 1975.

MLA citatie

J Englebert Duhphy, et al. A World Dictionary of Livestock Breeds Types and Varities. 4th. Philadelphia, 1975.