Williamson, E. G., & Cowan, J. L. (1966). The American student's freedom of expression: A research appraisal. University of Minnesota Press.
Chicago Style (17th ed.) CitationWilliamson, Edmund Griffith, and John L. Cowan. The American Student's Freedom of Expression: A Research Appraisal. Minneapolis: University of Minnesota Press, 1966.
MLA (8th ed.) CitationWilliamson, Edmund Griffith, and John L. Cowan. The American Student's Freedom of Expression: A Research Appraisal. University of Minnesota Press, 1966.
Warning: These citations may not always be 100% accurate.