APA (7th ed.) Citation

Kippenhahn, R. (1989). Abenteuer Weltall. Heitkamp.

Chicago Style (17th ed.) Citation

Kippenhahn, Rudolf. Abenteuer Weltall. Herne: Heitkamp, 1989.

MLA (9th ed.) Citation

Kippenhahn, Rudolf. Abenteuer Weltall. Heitkamp, 1989.

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