APA (7th ed.) Citation

Gray S, B. (1964). Human Capital: A theoretical and empirical analysis, with special reference to education. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Gray S, BECKER. Human Capital: A Theoretical and Empirical Analysis, with Special Reference to Education. New York: National Bureau of Economic Research, 1964.

MLA (9th ed.) Citation

Gray S, BECKER. Human Capital: A Theoretical and Empirical Analysis, with Special Reference to Education. National Bureau of Economic Research, 1964.