APA (7th ed.) Citation

Spencer, S. (1963). Mysticism in world religion. Penguin books.

Chicago Style (17th ed.) Citation

Spencer, Sidney. Mysticism in World Religion. Baltimore 11: Penguin books, 1963.

MLA (9th ed.) Citation

Spencer, Sidney. Mysticism in World Religion. Penguin books, 1963.

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