APA (7th ed.) Citation

(1957). Urania (20.Jahrgang.). Urania Verlag.

Chicago Style (17th ed.) Citation

Urania. 20.Jahrgang. Leipzig: Urania Verlag, 1957.

MLA (8th ed.) Citation

Urania. 20.Jahrgang. Urania Verlag, 1957.

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