APA (7th ed.) Citation

Brandt, J. C., & Chapman, R. D. (1981). Introduction to comets. Cambridge University Press.

Chicago Style (17th ed.) Citation

Brandt, John C., and Robert DeWitt Chapman. Introduction to Comets. Cambridge ; New York: Cambridge University Press, 1981.

MLA (9th ed.) Citation

Brandt, John C., and Robert DeWitt Chapman. Introduction to Comets. Cambridge University Press, 1981.