Cita APA (7th ed.)
Armstrong, K. (1992). Muhammad: A biography of the prophet. HarperSanFrancisco.
Cita Chicago (17th ed.)
Armstrong, Karen. Muhammad: A Biography of the Prophet. [San Francisco, Calif.]: HarperSanFrancisco, 1992.
Cita MLA (9th ed.)
Armstrong, Karen. Muhammad: A Biography of the Prophet. HarperSanFrancisco, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.