APA (7th ed.) Citation

Upton, C. (1996). Doorkeeper of the Heart: Version of Rabi'a. Synergy Books International.

Chicago Style (17th ed.) Citation

Upton, Charles. Doorkeeper of the Heart: Version of Rabi'a. Kuala Lumpur: Synergy Books International, 1996.

MLA (9th ed.) Citation

Upton, Charles. Doorkeeper of the Heart: Version of Rabi'a. Synergy Books International, 1996.

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