APA (7th ed.) Citation

Krämer, W. (1971). Wunder der Welt. Urania.

Chicago Style (17th ed.) Citation

Krämer, Walter. Wunder Der Welt. Leipzig: Urania, 1971.

MLA (9th ed.) Citation

Krämer, Walter. Wunder Der Welt. Urania, 1971.

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