APA (7th ed.) Citation

Boyer, L. E. (1945). An introduction to mathematics for teachers. H. Holt and company.

Chicago Style (17th ed.) Citation

Boyer, Lee Emerson. An Introduction to Mathematics for Teachers. New York: H. Holt and company, 1945.

MLA (9th ed.) Citation

Boyer, Lee Emerson. An Introduction to Mathematics for Teachers. H. Holt and company, 1945.