APA (7th ed.) Citation

Mason, R. J., & Mattson, M. T. (1990). Atlas of United States environmental issues. Macmillan u.a.

Chicago Style (17th ed.) Citation

Mason, Robert J., and Mark T. Mattson. Atlas of United States Environmental Issues. New York: Macmillan u.a, 1990.

MLA (9th ed.) Citation

Mason, Robert J., and Mark T. Mattson. Atlas of United States Environmental Issues. Macmillan u.a, 1990.