APA (7e ed.) Bronvermelding

Haystead, L. (1957). The farmer and his customers ([1st ed.].). University of Oklahoma Press.

Chicago (17e ed.) Bronvermelding

Haystead, Ladd. The Farmer and His Customers. [1st ed.]. Norman: University of Oklahoma Press, 1957.

MLA (9e ed.) Bronvermelding

Haystead, Ladd. The Farmer and His Customers. [1st ed.]. University of Oklahoma Press, 1957.