APA (7th ed.) Citation

Armstrong, K. (1992). Muhammad: A biography of the prophet. Harper Collins Books.

Chicago Style (17th ed.) Citation

Armstrong, Karen. Muhammad: A Biography of the Prophet. Harper Collins Books, 1992.

MLA (8th ed.) Citation

Armstrong, Karen. Muhammad: A Biography of the Prophet. Harper Collins Books, 1992.

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