Cita APA (7a ed.)

Laidler, D., & Estrin, S. (1989). Introduction to microeconomics (3th. ed.). Philip Allan.

Cita Chicago Style (17a ed.)

Laidler, David, y Saul Estrin. Introduction to Microeconomics. 3th. ed. New York [etc.]: Philip Allan, 1989.

Cita MLA (9a ed.)

Laidler, David, y Saul Estrin. Introduction to Microeconomics. 3th. ed. Philip Allan, 1989.