APA (7th ed.) Citation

Marben, R., & Sykes, C. W. (1931). Zeppelin adventures. J. Hamilton.

Chicago Style (17th ed.) Citation

Marben, Rolf, and Claud W. Sykes. Zeppelin Adventures. London: J. Hamilton, 1931.

MLA (9th ed.) Citation

Marben, Rolf, and Claud W. Sykes. Zeppelin Adventures. J. Hamilton, 1931.