APA (7th ed.) Citation

Nicholson. (1979). The mystics of Islam. Islamic Book Service.

Chicago Style (17th ed.) Citation

Nicholson. The Mystics of Islam. Pakistan: Islamic Book Service, 1979.

MLA (9th ed.) Citation

Nicholson. The Mystics of Islam. Islamic Book Service, 1979.

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