APA (7th ed.) Citation

Trimingham, J. S. (1971). The Sufi orders in Islam. Clarendon Press.

Chicago Style (17th ed.) Citation

Trimingham, J. Spencer. The Sufi Orders in Islam. Oxford: Clarendon Press, 1971.

MLA (9th ed.) Citation

Trimingham, J. Spencer. The Sufi Orders in Islam. Clarendon Press, 1971.