APA (7th ed.) Citation

Otto, R. (1959). The idea of the holy / by R. Otto. Penguin.

Chicago Style (17th ed.) Citation

Otto, R. The Idea of the Holy / by R. Otto. Penguin, 1959.

MLA (9th ed.) Citation

Otto, R. The Idea of the Holy / by R. Otto. Penguin, 1959.

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