APA (7th ed.) Citation

Müller-Freienfels, R. (1920). Psychologie der Religion. de Gruyter.

Chicago Style (17th ed.) Citation

Müller-Freienfels, Richard. Psychologie Der Religion. Berlin: de Gruyter, 1920.

MLA (8th ed.) Citation

Müller-Freienfels, Richard. Psychologie Der Religion. de Gruyter, 1920.

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