Otto, R., & Harvey, J. W. (1959). The idea of the holy. Penguin Books.
Cita Chicago (17th ed.)Otto, Rudolf, i John W. Harvey. The Idea of the Holy. Harmondsworth [u. a.]: Penguin Books, 1959.
Cita MLA (8th ed.)Otto, Rudolf, i John W. Harvey. The Idea of the Holy. Penguin Books, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.