APA (7th ed.) Citation

Summerhays, R. S. (1961). The observer's book of horses and ponies: Describing one hundred and eleven breeds and varieties (Rev. ed.). F. Warne.

Chicago Style (17th ed.) Citation

Summerhays, R. S. The Observer's Book of Horses and Ponies: Describing One Hundred and Eleven Breeds and Varieties. Rev. ed. London; New York: F. Warne, 1961.

MLA (9th ed.) Citation

Summerhays, R. S. The Observer's Book of Horses and Ponies: Describing One Hundred and Eleven Breeds and Varieties. Rev. ed. F. Warne, 1961.