APA Edition Citation

Kinney, L. B., & Purdy, C. R. (1956). Teaching mathematics in the secondary schools.

Chicago Edition Citation

Kinney, Lucien Blair, and C. Richard Purdy. Teaching Mathematics in the Secondary Schools. 1956.

MLA Edition Citation

Kinney, Lucien Blair, and C. Richard Purdy. Teaching Mathematics in the Secondary Schools. 1956.

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