Cita APA (7a ed.)

Spechler, M. C. (1990). Perspectives in economic thought. McGraw-Hill.

Cita Chicago Style (17a ed.)

Spechler, Martin C. Perspectives in Economic Thought. New York [etc.]: McGraw-Hill, 1990.

Cita MLA (9a ed.)

Spechler, Martin C. Perspectives in Economic Thought. McGraw-Hill, 1990.