APA (7th ed.) Citation

Schalk, F., & Friedrich, H. (1965). Ideen und Formen. V. Klostermann.

Chicago Style (17th ed.) Citation

Schalk, Fritz, and Hugo Friedrich. Ideen Und Formen. Frankfurt: V. Klostermann, 1965.

MLA (8th ed.) Citation

Schalk, Fritz, and Hugo Friedrich. Ideen Und Formen. V. Klostermann, 1965.

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