APA (7th ed.) Citation

Gruehn, W. (1926). Religionspsychologie. Hirt.

Chicago Style (17th ed.) Citation

Gruehn, Werner. Religionspsychologie. Breslau: Hirt, 1926.

MLA (9th ed.) Citation

Gruehn, Werner. Religionspsychologie. Hirt, 1926.

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