Cita APA (7a ed.)

Haresign, W. (1983). Sheep production (3rd edition.). Butterworth.

Cita Chicago Style (17a ed.)

Haresign, W. Sheep Production. 3rd edition. London: Butterworth, 1983.

Cita MLA (8a ed.)

Haresign, W. Sheep Production. 3rd edition. Butterworth, 1983.