APA (7th ed.) Citation

Greenwood, G. E., Good, T. L., & Siegel, B. L. (1971). Problem situations in teaching. Harper & Row.

Chicago Style (17th ed.) Citation

Greenwood, Gordon E., Thomas L. Good, and Betty L. Siegel. Problem Situations in Teaching. New York, NY [u.a.]: Harper & Row, 1971.

MLA (9th ed.) Citation

Greenwood, Gordon E., et al. Problem Situations in Teaching. Harper & Row, 1971.