Cita APA (7a ed.)

Osborn, R. E. (1958). The spirit of American Christianity. Harper & Brothers.

Cita Chicago Style (17a ed.)

Osborn, Ronald E. The Spirit of American Christianity. New York: Harper & Brothers, 1958.

Cita MLA (9a ed.)

Osborn, Ronald E. The Spirit of American Christianity. Harper & Brothers, 1958.