APA (7th ed.) Citation

Kinney, L. B., & Purdy, C. R. (1952). Teaching mathematics in the secondary school. Rinehart r Co.

Chicago Style (17th ed.) Citation

Kinney, L. B., and C. R. Purdy. Teaching Mathematics in the Secondary School. Rinehart r Co, 1952.

MLA (8th ed.) Citation

Kinney, L. B., and C. R. Purdy. Teaching Mathematics in the Secondary School. Rinehart r Co, 1952.

Warning: These citations may not always be 100% accurate.