APA (7th ed.) Citation

Dekker, H. (1926). Planeten und Menschen .. Franckh.

Chicago Style (17th ed.) Citation

Dekker, Hermann. Planeten Und Menschen .. Stuttgart: Franckh, 1926.

MLA (9th ed.) Citation

Dekker, Hermann. Planeten Und Menschen .. Franckh, 1926.

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