APA (7th ed.) Citation

Hillson, M., & Bongo, J. (1971). Continuous-progress education: A practical approach. Science Research Associates.

Chicago Style (17th ed.) Citation

Hillson, Maurie, and Joseph Bongo. Continuous-progress Education: A Practical Approach. Palo Alto, Calif.: Science Research Associates, 1971.

MLA (8th ed.) Citation

Hillson, Maurie, and Joseph Bongo. Continuous-progress Education: A Practical Approach. Science Research Associates, 1971.