APA (7th ed.) Citation

(1990). Der dritte Planet - die Erde. Time-Life-Bücher.

Chicago Style (17th ed.) Citation

Der Dritte Planet - Die Erde. Amsterdam: Time-Life-Bücher, 1990.

MLA (9th ed.) Citation

Der Dritte Planet - Die Erde. Time-Life-Bücher, 1990.

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