Freud, S., Noth, I., Morgenthaler, C., & Pfister, O. (2014). Sigmund Freud-Oskar Pfister: Briefwechsel 1909-1939. TVZ.
Chicago Style (17th ed.) CitationFreud, Sigmund, Isabelle Noth, Christoph Morgenthaler, and Oskar Pfister. Sigmund Freud-Oskar Pfister: Briefwechsel 1909-1939. Zürich: TVZ, 2014.
MLA (9th ed.) CitationFreud, Sigmund, et al. Sigmund Freud-Oskar Pfister: Briefwechsel 1909-1939. TVZ, 2014.
Warning: These citations may not always be 100% accurate.