APA (7th ed.) Citation

Rezac, K. (1981). Sputnik, Raumfahrt, Kosmonaut. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Rezac, Karl. Sputnik, Raumfahrt, Kosmonaut. Berlin: Kinderbuchverlag, 1981.

MLA (8th ed.) Citation

Rezac, Karl. Sputnik, Raumfahrt, Kosmonaut. Kinderbuchverlag, 1981.

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