Otto, R. (1923). The Idea of the Holy. Oxford University Press.
Cita Chicago (17th ed.)Otto, Rudolf. The Idea of the Holy. Oxford: Oxford University Press, 1923.
Cita MLA (9th ed.)Otto, Rudolf. The Idea of the Holy. Oxford University Press, 1923.
Atenció: Aquestes cites poden no estar 100% correctes.