Cita APA (7th ed.)

Cain, G. G., & Watts, H. W. (1973). Income maintenance and labor supply: Econometric studies. Academic Press.

Cita Chicago (17th ed.)

Cain, Glen George, i Harold W. Watts. Income Maintenance and Labor Supply: Econometric Studies. New York: Academic Press, 1973.

Cita MLA (9th ed.)

Cain, Glen George, i Harold W. Watts. Income Maintenance and Labor Supply: Econometric Studies. Academic Press, 1973.