APA (7th ed.) Citation

Liebert, A. Erkenntnistheorie. Mittler.

Chicago Style (17th ed.) Citation

Liebert, Arthur. Erkenntnistheorie. Berlin: Mittler.

MLA (9th ed.) Citation

Liebert, Arthur. Erkenntnistheorie. Mittler.

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