APA (7th ed.) Citation

Ryans, D. G. (1960). Characteristics of teachers: Their description, comparison, and appraisal; a research study. American Council on Education.

Chicago Style (17th ed.) Citation

Ryans, David G. Characteristics of Teachers: Their Description, Comparison, and Appraisal; a Research Study. Washington: American Council on Education, 1960.

MLA (9th ed.) Citation

Ryans, David G. Characteristics of Teachers: Their Description, Comparison, and Appraisal; a Research Study. American Council on Education, 1960.