APA (7th ed.) Citation

Endress Gerhard. (2006). Islam an historical introduction. Pentagon Press.

Chicago Style (17th ed.) Citation

Endress Gerhard. Islam an Historical Introduction. New Delhi: Pentagon Press, 2006.

MLA (9th ed.) Citation

Endress Gerhard. Islam an Historical Introduction. Pentagon Press, 2006.

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