APA (7th ed.) Citation

Walker, B. (1989). Planet earth: Earthquake. Time-Life Books.

Chicago Style (17th ed.) Citation

Walker, Bryce. Planet Earth: Earthquake. Amsterdam: Time-Life Books, 1989.

MLA (9th ed.) Citation

Walker, Bryce. Planet Earth: Earthquake. Time-Life Books, 1989.

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