APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Spencer, Sydney. Mysticism in World Religion. Middlesex: Penguin Books, 1963.

MLA (9th ed.) Citation

Spencer, Sydney. Mysticism in World Religion. Penguin Books, 1963.

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