APA (7th ed.) Citation

Otto, R., & Harvey, W. J. (1959). The Idea of the holy. Penguin Books.

Chicago Style (17th ed.) Citation

Otto, Rudolf, and W. John Harvey. The Idea of the Holy. Middlesex: Penguin Books, 1959.

MLA (9th ed.) Citation

Otto, Rudolf, and W. John Harvey. The Idea of the Holy. Penguin Books, 1959.

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