APA (7th ed.) Citation

Smith, P. L. (1980). Sources of progressive thought in American education. University Press of America.

Chicago Style (17th ed.) Citation

Smith, Philip L. Sources of Progressive Thought in American Education. Lanham, MD.: University Press of America, 1980.

MLA (9th ed.) Citation

Smith, Philip L. Sources of Progressive Thought in American Education. University Press of America, 1980.