APA (7th ed.) Citation

Gelzer, M. (1964). Kleine Schriften. Kleine Schriften.

Chicago Style (17th ed.) Citation

Gelzer, Matthias. "Kleine Schriften." Kleine Schriften 1964.

MLA (9th ed.) Citation

Gelzer, Matthias. "Kleine Schriften." Kleine Schriften, 1964.

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