Cita APA (7th ed.)

Sweezy, A. (1973). Labor shortage and population policy. California Institute of Technology.

Cita Chicago (17th ed.)

Sweezy, Alan. Labor Shortage and Population Policy. Pasedena, Calif: California Institute of Technology, 1973.

Cita MLA (9th ed.)

Sweezy, Alan. Labor Shortage and Population Policy. California Institute of Technology, 1973.