APA (7th ed.) Citation

Schuon, F., & Matheson, D. M. (1963). Understanding Islam. George Allen and Unwin.

Chicago Style (17th ed.) Citation

Schuon, Frithjof, and D. M. Matheson. Understanding Islam. London: George Allen and Unwin, 1963.

MLA (9th ed.) Citation

Schuon, Frithjof, and D. M. Matheson. Understanding Islam. George Allen and Unwin, 1963.

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