APA (7th ed.) Citation

Gatenby, R. M. (1986). Sheep production in the tropics and sub-tropics. Longman.

Chicago Style (17th ed.) Citation

Gatenby, Ruth M. Sheep Production in the Tropics and Sub-tropics. London: Longman, 1986.

MLA (9th ed.) Citation

Gatenby, Ruth M. Sheep Production in the Tropics and Sub-tropics. Longman, 1986.