Cita APA (7a ed.)

Barlach, E. (1969). 1925-1938. Piper.

Cita Chicago Style (17a ed.)

Barlach, Ernst. 1925-1938. München: Piper, 1969.

Cita MLA (8a ed.)

Barlach, Ernst. 1925-1938. Piper, 1969.