APA (7th ed.) Citation

Abbott, J. S., & Wells, D. W. (1985). Mathematics today. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Abbott, Janet S., and David W. Wells. Mathematics Today. Orlando, Fla.: Harcourt Brace Jovanovich, 1985.

MLA (9th ed.) Citation

Abbott, Janet S., and David W. Wells. Mathematics Today. Harcourt Brace Jovanovich, 1985.