APA (7th ed.) Citation

Weigert, A. (1971). Brockhaus abc Astronomie. Brockhaus.

Chicago Style (17th ed.) Citation

Weigert, A. Brockhaus Abc Astronomie. Leipzig: Brockhaus, 1971.

MLA (8th ed.) Citation

Weigert, A. Brockhaus Abc Astronomie. Brockhaus, 1971.

Warning: These citations may not always be 100% accurate.