Cita APA (7a ed.)

Belloc, H., & Warre, E. L. (1938). Return to the Baltic. Constable.

Cita Chicago Style (17a ed.)

Belloc, Hilaire, y Edmond L. Warre. Return to the Baltic. London: Constable, 1938.

Cita MLA (8a ed.)

Belloc, Hilaire, y Edmond L. Warre. Return to the Baltic. Constable, 1938.