APA (7th ed.) Citation

Price, J., Price, A., & Beadle, D. D. (1995). The summer atlas of North American birds. Academic Press.

Chicago Style (17th ed.) Citation

Price, Jeff, Amy Price, and David D. Beadle. The Summer Atlas of North American Birds. London: Academic Press, 1995.

MLA (8th ed.) Citation

Price, Jeff, et al. The Summer Atlas of North American Birds. Academic Press, 1995.