APA (7th ed.) Citation

Hügel, F. B. v. (1960). The life of prayer.

Chicago Style (17th ed.) Citation

Hügel, Friedrich Baron von. The Life of Prayer. 1960.

MLA (9th ed.) Citation

Hügel, Friedrich Baron von. The Life of Prayer. 1960.

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