APA (7th ed.) Citation

Fitter, R., & Hosking, E. J. (1959). London's natural history. Readers Union.

Chicago Style (17th ed.) Citation

Fitter, Richard, and Eric John Hosking. London's Natural History. London: Readers Union, 1959.

MLA (9th ed.) Citation

Fitter, Richard, and Eric John Hosking. London's Natural History. Readers Union, 1959.