Cita APA (7a ed.)

Harbison, F. (1973). Human resources as the wealth of nations. Oxford University Press.

Cita Chicago Style (17a ed.)

Harbison, Frederick. Human Resources as the Wealth of Nations. New York [etc.]: Oxford University Press, 1973.

Cita MLA (9a ed.)

Harbison, Frederick. Human Resources as the Wealth of Nations. Oxford University Press, 1973.