APA (7th ed.) Citation

Solmon, L. C. (1969). Opportunity costs and models of schooling in the nineteenth century. Purdue Univ.

Chicago Style (17th ed.) Citation

Solmon, Lewis C. Opportunity Costs and Models of Schooling in the Nineteenth Century. Lafayette, Ind: Purdue Univ, 1969.

MLA (9th ed.) Citation

Solmon, Lewis C. Opportunity Costs and Models of Schooling in the Nineteenth Century. Purdue Univ, 1969.