APA Citation

Heiler, F. (1958). Prayer: A Study in the history and psychology of religion. Institut d`etudes Theologiques.

Chicago Style Citation

Heiler, Friedrich. Prayer: A Study in the History and Psychology of Religion. Institut d`etudes Theologiques, 1958.

MLA Citation

Heiler, Friedrich. Prayer: A Study in the History and Psychology of Religion. Institut d`etudes Theologiques, 1958.

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