APA (7th ed.) Citation

Piper, H., & Sloman, R. (1966). Kosmobiologie: Von Hartmut Piper. Christians.

Chicago Style (17th ed.) Citation

Piper, Hartmut, and Ricardo Sloman. Kosmobiologie: Von Hartmut Piper. Hamburg: Christians, 1966.

MLA (8th ed.) Citation

Piper, Hartmut, and Ricardo Sloman. Kosmobiologie: Von Hartmut Piper. Christians, 1966.

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