Cita APA (7a ed.)

Schultz, T. W. (1981). Investment in human capital: The role of education and of research. The Free Press.

Cita Chicago Style (17a ed.)

Schultz, Theodore W. Investment in Human Capital: The Role of Education and of Research. The Free Press, 1981.

Cita MLA (9a ed.)

Schultz, Theodore W. Investment in Human Capital: The Role of Education and of Research. The Free Press, 1981.