APA (7th ed.) Citation

Marett, R. R. (1929). The threshold of religion (4. ed.). Methuen.

Chicago Style (17th ed.) Citation

Marett, Robert R. The Threshold of Religion. 4. ed. London: Methuen, 1929.

MLA (9th ed.) Citation

Marett, Robert R. The Threshold of Religion. 4. ed. Methuen, 1929.