APA (7th ed.) Citation

Trimingham, J. S. (1973). The Sufi Orders in Islam. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Trimingham, John Spencer. The Sufi Orders in Islam. London: Oxford Univ. Press, 1973.

MLA (9th ed.) Citation

Trimingham, John Spencer. The Sufi Orders in Islam. Oxford Univ. Press, 1973.