APA (7th ed.) Citation

Burroughs, E. R., & Sperry, A. (1929). Tarzan and the lost empire. Metropolitan Books.

Chicago Style (17th ed.) Citation

Burroughs, Edgar Rice, and Armstrong Sperry. Tarzan and the Lost Empire. New York: Metropolitan Books, 1929.

MLA (9th ed.) Citation

Burroughs, Edgar Rice, and Armstrong Sperry. Tarzan and the Lost Empire. Metropolitan Books, 1929.