APA (7th ed.) Citation

Natural History Museum of Los Angeles County, Czerkas, S. M., & Olson, E. C. (1987). Dinosaurs, past and present. Natural History Museum of Los Angeles County in association with University of Washington Press, Seattle.

Chicago Style (17th ed.) Citation

Natural History Museum of Los Angeles County, Sylvia Massey Czerkas, and Everett C. Olson. Dinosaurs, Past and Present. [Los Angeles, Calif.]: Natural History Museum of Los Angeles County in association with University of Washington Press, Seattle, 1987.

MLA (8th ed.) Citation

Natural History Museum of Los Angeles County, et al. Dinosaurs, Past and Present. Natural History Museum of Los Angeles County in association with University of Washington Press, Seattle, 1987.