APA (7th ed.) Citation

Langer, P. (1893). Psychophysische Streitfragen. Engelhard-Reyher.

Chicago Style (17th ed.) Citation

Langer, Paul. Psychophysische Streitfragen. Gotha: Engelhard-Reyher, 1893.

MLA (9th ed.) Citation

Langer, Paul. Psychophysische Streitfragen. Engelhard-Reyher, 1893.

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