APA (7th ed.) Citation

Oppenheim, E. P. (1918). The Zeppelin's passenger. Little, Brown.

Chicago Style (17th ed.) Citation

Oppenheim, Edward Phillips. The Zeppelin's Passenger. Boston: Little, Brown, 1918.

MLA (9th ed.) Citation

Oppenheim, Edward Phillips. The Zeppelin's Passenger. Little, Brown, 1918.