APA (7th ed.) Citation

Colombo, U., & Turani, G. (1986). Der zweite Planet. Information series / Club of Rome.

Chicago Style (17th ed.) Citation

Colombo, Umberto, and Giuseppe Turani. "Der Zweite Planet." Information Series / Club of Rome 1986.

MLA (8th ed.) Citation

Colombo, Umberto, and Giuseppe Turani. "Der Zweite Planet." Information Series / Club of Rome, 1986.

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