Cita APA (7a ed.)

Friedman, M. (1975). There's no such thing as a free lunch. Open Court.

Cita Chicago Style (17a ed.)

Friedman, Milton. There's No Such Thing as a Free Lunch. LaSalle, Ill.: Open Court, 1975.

Cita MLA (8a ed.)

Friedman, Milton. There's No Such Thing as a Free Lunch. Open Court, 1975.