APA (7th ed.) Citation

Nicholson, R. A. (1979). The mystics of Islam. Routledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Nicholson, Reynold A. The Mystics of Islam. London: Routledge and Kegan Paul, 1979.

MLA (9th ed.) Citation

Nicholson, Reynold A. The Mystics of Islam. Routledge and Kegan Paul, 1979.

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