APA (7th ed.) Citation

Heer, F. (1962). Offener Humanismus. Büchergilde Gutenberg.

Chicago Style (17th ed.) Citation

Heer, Friedrich. Offener Humanismus. [Bern]: Büchergilde Gutenberg, 1962.

MLA (9th ed.) Citation

Heer, Friedrich. Offener Humanismus. Büchergilde Gutenberg, 1962.

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