APA (7th ed.) Citation

Hayes, H. E. E. (2004). Mohammed, The Prophet of Islam. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hayes, H. E. E. Mohammed, The Prophet of Islam. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Hayes, H. E. E. Mohammed, The Prophet of Islam. Project Gutenberg, 2004.

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