APA (7th ed.) Citation
Heddens, J. W., & Speer, W. R. (1988). Todays Mathematics. SRA.
Chicago Style (17th ed.) Citation
Heddens, James W., and William R. Speer. Todays Mathematics. Chicago: SRA, 1988.
MLA (9th ed.) Citation
Heddens, James W., and William R. Speer. Todays Mathematics. SRA, 1988.
Warning: These citations may not always be 100% accurate.