APA (7th ed.) Citation

Mills, L. C., & Dean, P. M. (1960). Problem-solving methods in science teaching. Bureau of Publications.

Chicago Style (17th ed.) Citation

Mills, Lester C., and Peter M. Dean. Problem-solving Methods in Science Teaching. New York: Bureau of Publications, 1960.

MLA (9th ed.) Citation

Mills, Lester C., and Peter M. Dean. Problem-solving Methods in Science Teaching. Bureau of Publications, 1960.