APA način citiranja (7. izdanje)
Heddens, J. W. (1979). Todays mathematics: Concepts and methods in elementary school mathematics (4th ed.). S.R.A.
Čikaški stil citiranja (17. izdanje)
Heddens, James W. Todays Mathematics: Concepts and Methods in Elementary School Mathematics. 4th ed. Chicago: S.R.A, 1979.
MLA način citiranja (9. izdanje)
Heddens, James W. Todays Mathematics: Concepts and Methods in Elementary School Mathematics. 4th ed. S.R.A, 1979.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.