APA (7th ed.) Citation

Burroughs, E. R., & Krenkel, R. G. (1968). Tanar of Pellucidar. Ace Pub. Corp..

Chicago Style (17th ed.) Citation

Burroughs, Edgar Rice, and Roy G. Krenkel. Tanar of Pellucidar. New York: Ace Pub. Corp., 1968.

MLA (9th ed.) Citation

Burroughs, Edgar Rice, and Roy G. Krenkel. Tanar of Pellucidar. Ace Pub. Corp., 1968.