APA (7e ed.) Bronvermelding

Não informado. (1894). Circular. U.S. Department of Agriculture, Bureau of Animal Industry.

Chicago (17e ed.) Bronvermelding

Não informado. Circular. Washington: U.S. Department of Agriculture, Bureau of Animal Industry, 1894.

MLA (8e ed.) Bronvermelding

Não informado. Circular. U.S. Department of Agriculture, Bureau of Animal Industry, 1894.

Let op: Deze citaties zijn niet altijd 100% accuraat.