APA (7th ed.) Citation

Lasker-Schüler, E., & Kupper, M. (1969). Briefe. Kösel.

Chicago Style (17th ed.) Citation

Lasker-Schüler, Else, and Margarete Kupper. Briefe. München: Kösel, 1969.

MLA (8th ed.) Citation

Lasker-Schüler, Else, and Margarete Kupper. Briefe. Kösel, 1969.