APA (7th ed.) Citation

Fehr, H. F., & Phillips, J. M. (1972). Teaching modern mathematics in the elementary school (2d ed.). Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Fehr, Howard F., and Jo McKeeby Phillips. Teaching Modern Mathematics in the Elementary School. 2d ed. Reading, Mass.: Addison-Wesley Pub. Co., 1972.

MLA (9th ed.) Citation

Fehr, Howard F., and Jo McKeeby Phillips. Teaching Modern Mathematics in the Elementary School. 2d ed. Addison-Wesley Pub. Co., 1972.