APA (7th ed.) Citation

(1977). Urania Blaue Reihe. Urania.

Chicago Style (17th ed.) Citation

Urania Blaue Reihe. München: Urania, 1977.

MLA (9th ed.) Citation

Urania Blaue Reihe. Urania, 1977.

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