APA (7th ed.) Citation

Keedy, M. L. (1964). Exploring modern mathematics. California State Dept.

Chicago Style (17th ed.) Citation

Keedy, Marvin L. Exploring Modern Mathematics. Sacramento, Calif: California State Dept, 1964.

MLA (9th ed.) Citation

Keedy, Marvin L. Exploring Modern Mathematics. California State Dept, 1964.