APA (7th ed.) Zitazioa

Upton, M., & Anthonio, Q. (1965). Farming as a business. Oxford Univ..

Chicago Style (17th ed.) Zitazioa

Upton, M., eta Q.B.O Anthonio. Farming as a Business. Oxford: Oxford Univ., 1965.

MLA (9th ed.) Zitazioa

Upton, M., eta Q.B.O Anthonio. Farming as a Business. Oxford Univ., 1965.