Cita APA (7a ed.)

Friedman, M. (1953). Essays in positive economics. University of Chicago press.

Cita Chicago Style (17a ed.)

Friedman, Milton. Essays in Positive Economics. Chicago [etc.]: University of Chicago press, 1953.

Cita MLA (9a ed.)

Friedman, Milton. Essays in Positive Economics. University of Chicago press, 1953.