APA (7th ed.) Citation

Markle, S. (1991). The kids' earth handbook. Atheneum.

Chicago Style (17th ed.) Citation

Markle, Sandra. The Kids' Earth Handbook. New York: Atheneum, 1991.

MLA (9th ed.) Citation

Markle, Sandra. The Kids' Earth Handbook. Atheneum, 1991.

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