Cita APA (7a ed.)

Davidson, H. R. (1954). The production and marketing of pigs (2nd. ed.). Longmans Green.

Cita Chicago Style (17a ed.)

Davidson, H. R. The Production and Marketing of Pigs. 2nd. ed. London: Longmans Green, 1954.

Cita MLA (8a ed.)

Davidson, H. R. The Production and Marketing of Pigs. 2nd. ed. Longmans Green, 1954.