APA (7th ed.) Citation

Cottrell, L., & Davidson, M. B. (1964). Lost worlds. Elek Books.

Chicago Style (17th ed.) Citation

Cottrell, Leonard, and Marshall B. Davidson. Lost Worlds. London: Elek Books, 1964.

MLA (8th ed.) Citation

Cottrell, Leonard, and Marshall B. Davidson. Lost Worlds. Elek Books, 1964.

Warning: These citations may not always be 100% accurate.