Cita APA (7a ed.)

Belloc, H., & Warre, E. L. (1930). Many cities. Constable.

Cita Chicago Style (17a ed.)

Belloc, Hilaire, y Edmond L. Warre. Many Cities. London: Constable, 1930.

Cita MLA (8a ed.)

Belloc, Hilaire, y Edmond L. Warre. Many Cities. Constable, 1930.