APA (7th ed.) Citation

School Mathematics Study Group & Haag, V. H. (1961). Introduction to secondary school mathematics (Rev. ed.). Yale University Press.

Chicago Style (17th ed.) Citation

School Mathematics Study Group and Vincent H. Haag. Introduction to Secondary School Mathematics. Rev. ed. New Haven: Yale University Press, 1961.

MLA (9th ed.) Citation

School Mathematics Study Group and Vincent H. Haag. Introduction to Secondary School Mathematics. Rev. ed. Yale University Press, 1961.