APA (7th ed.) Citation

Charlton, W. (1991). Planet earth: Ice ages. Time-Life.

Chicago Style (17th ed.) Citation

Charlton, Windson. Planet Earth: Ice Ages. Amsterdam: Time-Life, 1991.

MLA (9th ed.) Citation

Charlton, Windson. Planet Earth: Ice Ages. Time-Life, 1991.

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