APA (7th ed.) Citation

Parker, R. B. (2001). The sheep book: A handbook for the modern shepherd (Rev. and updated.). Swallow Press/Ohio University Press.

Chicago Style (17th ed.) Citation

Parker, Ronald B. The Sheep Book: A Handbook for the Modern Shepherd. Rev. and updated. Athens: Swallow Press/Ohio University Press, 2001.

MLA (9th ed.) Citation

Parker, Ronald B. The Sheep Book: A Handbook for the Modern Shepherd. Rev. and updated. Swallow Press/Ohio University Press, 2001.