Sufism :
a beginner's guide /
William C. Chittick.

APA Citation

Chittick, W. C. (2008). Sufism: a beginner's guide. Oxford: Oneworld Publications.

MLA Citation

Chittick, William C. Sufism: a Beginner's Guide. Oxford: Oneworld Publications, 2008.

Warning: These citations may not always be complete (especially for serials).