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 ; University of Washington Press.

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] : Seattle: Natural History Museum of Los Angeles County ; University of Washington Press, 1987.

MLA (9th ed.) Citation

Natural History Museum of Los Angeles County, et al. Dinosaurs Past and Present. Natural History Museum of Los Angeles County ; University of Washington Press, 1987.