APA (7th ed.) Citation

(1981). Urania (57.Jahrgang.). Urania Verlag.

Chicago Style (17th ed.) Citation

Urania. 57.Jahrgang. Leipzig: Urania Verlag, 1981.

MLA (8th ed.) Citation

Urania. 57.Jahrgang. Urania Verlag, 1981.

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