APA (7th ed.) Citation

Rathenau, W. (1927). Briefe: 1. Briefe, 1,4.

Chicago Style (17th ed.) Citation

Rathenau, Walther. "Briefe: 1." Briefe 1927: 1,4.

MLA (8th ed.) Citation

Rathenau, Walther. "Briefe: 1." Briefe, 1927, p. 1,4.