APA Citation

Gulen, M. F., & Unal, A. (2004). Key concepts in the practice of Sufism: Emerald hills of the heart. Somerset, NJ Clifton, NJ: The Light, Inc..

Chicago Style Citation

Gulen, M. Fethullah, and Ali Unal. Key Concepts in the Practice of Sufism: Emerald Hills of the Heart. Somerset, NJ Clifton, NJ: The Light, Inc., 2004.

MLA Citation

Gulen, M. Fethullah, and Ali Unal. Key Concepts in the Practice of Sufism: Emerald Hills of the Heart. Somerset, NJ Clifton, NJ: The Light, Inc., 2004.

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