APA (7th ed.) Citation

Jacobs, W. E. (2007). Origins of Sunni Muslims. Origins of Sunni Muslims, 1.

Chicago Style (17th ed.) Citation

Jacobs, W. E. "Origins of Sunni Muslims." Origins of Sunni Muslims 2007: 1.

MLA (9th ed.) Citation

Jacobs, W. E. "Origins of Sunni Muslims." Origins of Sunni Muslims, 2007, p. 1.