Cita APA (7a ed.)

Witzig, H. (1931). Bündner Lesebuch. Ebner.

Cita Chicago Style (17a ed.)

Witzig, H. Bündner Lesebuch. Chur: Ebner, 1931.

Cita MLA (9a ed.)

Witzig, H. Bündner Lesebuch. Ebner, 1931.