APA (7th ed.) Citation

Nicholson, R. A. (1914). The mystics of Islam. Routledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Nicholson, Reynold Alleyne. The Mystics of Islam. London: Routledge and Kegan Paul, 1914.

MLA (9th ed.) Citation

Nicholson, Reynold Alleyne. The Mystics of Islam. Routledge and Kegan Paul, 1914.