APA (7th ed.) Citation

Boulenger, E. G. (1938). World natural history. C. Scribner's sons; B.T. Batsford ltd..

Chicago Style (17th ed.) Citation

Boulenger, E. G. World Natural History. New York : London: C. Scribner's sons; B.T. Batsford ltd., 1938.

MLA (9th ed.) Citation

Boulenger, E. G. World Natural History. C. Scribner's sons; B.T. Batsford ltd., 1938.