APA (7th ed.) Citation

Liberal... & Kurzman, C. (1998). Liberal Islam a sourcebook. Oxford University Press.

Chicago Style (17th ed.) Citation

Liberal... and Charles Kurzman. Liberal Islam a Sourcebook. Oxford University Press, 1998.

MLA (8th ed.) Citation

Liberal... and Charles Kurzman. Liberal Islam a Sourcebook. Oxford University Press, 1998.

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