Briefe, 1907-1926

MLA

Freud, Sigmund, et al. Briefe, 1907-1926. Frankfurt am Main: Fischer, 1965.

APA

Freud, S., Abraham, H. C., Abraham, K., & Freud, E. Ludwig. (1965). Briefe, 1907-1926. Frankfurt am Main: Fischer.

Chicago

Freud, Sigmund, and Karl Abraham. Briefe, 1907-1926. Edited by Hilda C. Abraham and Ernst Ludwig Freud. Frankfurt am Main: Fischer, 1965.