Citazione Stile APA (7a Edizione)

English, P. R. (1988). The growing and finishing pig: Improving efficiency. Farming Press.

Citazione stile Chigago Style (17a edizione)

English, Peter Roderick. The Growing and Finishing Pig: Improving Efficiency. Ipswich: Farming Press, 1988.

Citatione MLA (9a ed.)

English, Peter Roderick. The Growing and Finishing Pig: Improving Efficiency. Farming Press, 1988.