APA (7th ed.) Citation

Schultz, T. W. (1971). Investment in human capital; the role of education and of research. The Free Press.

Chicago Style (17th ed.) Citation

Schultz, Theodore W. Investment in Human Capital; the Role of Education and of Research. New York: The Free Press, 1971.

MLA (9th ed.) Citation

Schultz, Theodore W. Investment in Human Capital; the Role of Education and of Research. The Free Press, 1971.