APA (7th ed.) Citation

Sell, E. (2007). The Faith of Islam. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sell, Edward. The Faith of Islam. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Sell, Edward. The Faith of Islam. Project Gutenberg, 2007.

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