APA (7th ed.) Citation

Burroughs, E. R. (2003). A princess of Mars (2003 Modern Library paperback ed.). Modern Library.

Chicago Style (17th ed.) Citation

Burroughs, Edgar Rice. A Princess of Mars. 2003 Modern Library paperback ed. New York: Modern Library, 2003.

MLA (9th ed.) Citation

Burroughs, Edgar Rice. A Princess of Mars. 2003 Modern Library paperback ed. Modern Library, 2003.