APA (7th ed.) Citation

Friedman, D. D. (1990). Price theory: An intermediate text (2nd ed.). South-Western Pub. Co..

Chicago Style (17th ed.) Citation

Friedman, David D. Price Theory: An Intermediate Text. 2nd ed. Cincinnati, OH: South-Western Pub. Co., 1990.

MLA (9th ed.) Citation

Friedman, David D. Price Theory: An Intermediate Text. 2nd ed. South-Western Pub. Co., 1990.