Cita APA (7a ed.)

Oldenbourg, Z. (1965). The Crusade. Pantheon Books.

Cita Chicago Style (17a ed.)

Oldenbourg, Zoé. The Crusade. New York: Pantheon Books, 1965.

Cita MLA (9a ed.)

Oldenbourg, Zoé. The Crusade. Pantheon Books, 1965.