APA (7th ed.) Citation

Butler, C. H., & Wren, F. L. (1965). The teaching of secondary mathematics (4th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Butler, Charles Henry, and Frank Lynwood Wren. The Teaching of Secondary Mathematics. 4th ed. New York: McGraw-Hill, 1965.

MLA (9th ed.) Citation

Butler, Charles Henry, and Frank Lynwood Wren. The Teaching of Secondary Mathematics. 4th ed. McGraw-Hill, 1965.