Citazione Stile APA (7a Edizione)

Davidson, H. R., & Coey, W. E. (1966). The production and marketing of pigs (3rd ed.). Longmans.

Citazione stile Chigago Style (17a edizione)

Davidson, H. R., e W. E. Coey. The Production and Marketing of Pigs. 3rd ed. London: Longmans, 1966.

Citatione MLA (8a ed.)

Davidson, H. R., e W. E. Coey. The Production and Marketing of Pigs. 3rd ed. Longmans, 1966.