APA (7th ed.) Citation

Guillaume, A. (1978). Islam (Reprint.). Penguin Books.

Chicago Style (17th ed.) Citation

Guillaume, Alfred. Islam. Reprint. Harmondsworth: Penguin Books, 1978.

MLA (8th ed.) Citation

Guillaume, Alfred. Islam. Reprint. Penguin Books, 1978.

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