APA (7th ed.) Citation

Lambert, D., & Diagram Group. (1987). The field guide to early man. Facts on File.

Chicago Style (17th ed.) Citation

Lambert, David, and Diagram Group. The Field Guide to Early Man. New York: Facts on File, 1987.

MLA (9th ed.) Citation

Lambert, David, and Diagram Group. The Field Guide to Early Man. Facts on File, 1987.