APA (7th ed.) Citation

Heddens, J. W., & Speer, W. R. (2001). Today's mathematics (10th ed.). Wiley.

Chicago Style (17th ed.) Citation

Heddens, James W., and William R. Speer. Today's Mathematics. 10th ed. New York: Wiley, 2001.

MLA (9th ed.) Citation

Heddens, James W., and William R. Speer. Today's Mathematics. 10th ed. Wiley, 2001.