APA (7th ed.) Citation

Koehler & Volckmar. (1926). Die Lehrmittel. Koehler & Volckmar A.-G. & Co.

Chicago Style (17th ed.) Citation

Koehler & Volckmar. Die Lehrmittel. Leipzig: Koehler & Volckmar A.-G. & Co, 1926.

MLA (9th ed.) Citation

Koehler & Volckmar. Die Lehrmittel. Koehler & Volckmar A.-G. & Co, 1926.

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