APA (7th ed.) Citation

Armstrong, K. (1991). Muhammad: A biography of the prophet. Phoenix Press.

Chicago Style (17th ed.) Citation

Armstrong, Karen. Muhammad: A Biography of the Prophet. London: Phoenix Press, 1991.

MLA (9th ed.) Citation

Armstrong, Karen. Muhammad: A Biography of the Prophet. Phoenix Press, 1991.

Warning: These citations may not always be 100% accurate.