APA (7th ed.) Citation

Wrightson, J. (1919). Sheep: Breeds and management (8th ed., new and rev.). Vinton.

Chicago Style (17th ed.) Citation

Wrightson, John. Sheep: Breeds and Management. 8th ed., new and rev. London: Vinton, 1919.

MLA (9th ed.) Citation

Wrightson, John. Sheep: Breeds and Management. 8th ed., new and rev. Vinton, 1919.