Cita APA

Friedman, M. (1980). Free to choose: A personal statement. New York: Avon.

Chicago Style Citation

Friedman, Milton. Free to Choose: A Personal Statement. New York: Avon, 1980.

Cita MLA

Friedman, Milton. Free to Choose: A Personal Statement. New York: Avon, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.