APA (7th ed.) Citation

Gilfillan, D., & Lattanzio, R. (1992). Earth revealed: The key to past environments. Annenberg Learner.

Chicago Style (17th ed.) Citation

Gilfillan, David, and Robert Lattanzio. Earth Revealed: The Key to Past Environments. Los Angeles, CA: Annenberg Learner, 1992.

MLA (9th ed.) Citation

Gilfillan, David, and Robert Lattanzio. Earth Revealed: The Key to Past Environments. Annenberg Learner, 1992.