APA (7th ed.) Citation

Mainland, L. G. (1923). Secrets of the zoo. S.W. Partridge & Co..

Chicago Style (17th ed.) Citation

Mainland, Leslie G. Secrets of the Zoo. London: S.W. Partridge & Co., 1923.

MLA (9th ed.) Citation

Mainland, Leslie G. Secrets of the Zoo. S.W. Partridge & Co., 1923.