Cita APA (7a ed.)

Weigert, A. (1973). Brockhaus abc Astronomie. Brockhaus.

Cita Chicago Style (17a ed.)

Weigert, A. Brockhaus Abc Astronomie. Leipzig: Brockhaus, 1973.

Cita MLA (8a ed.)

Weigert, A. Brockhaus Abc Astronomie. Brockhaus, 1973.