APA (7th ed.) Citation

Upton, J., & Soden, D. (1991). An introduction to keeping sheep (1. publ.). Farming Press.

Chicago Style (17th ed.) Citation

Upton, Jane, and Dennis Soden. An Introduction to Keeping Sheep. 1. publ. Ipswich: Farming Press, 1991.

MLA (9th ed.) Citation

Upton, Jane, and Dennis Soden. An Introduction to Keeping Sheep. 1. publ. Farming Press, 1991.