APA (7th ed.) Citation

Freud, S., & Freud, E. L. (1960). Briefe 1873 - 1939. Fischer.

Chicago Style (17th ed.) Citation

Freud, Sigmund, and Ernst L. Freud. Briefe 1873 - 1939. Frankfurt am Main: Fischer, 1960.

MLA (8th ed.) Citation

Freud, Sigmund, and Ernst L. Freud. Briefe 1873 - 1939. Fischer, 1960.

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