Cita APA (7a ed.)

''Azzam, '., & Sheean, V. (1965). The eternal message of Muhammad. The New American Libray [etc.].

Cita Chicago Style (17a ed.)

''Azzam, ''Abd-al-Raman, y Vincent Sheean. The Eternal Message of Muhammad. New York [etc.]: The New American Libray [etc.], 1965.

Cita MLA (9a ed.)

''Azzam, ''Abd-al-Raman, y Vincent Sheean. The Eternal Message of Muhammad. The New American Libray [etc.], 1965.