Cita APA (7a ed.)

Evans, G. C. (1930). Mathematical introduction to economics. McGraw-Hill.

Cita Chicago Style (17a ed.)

Evans, Griffith Conrad. Mathematical Introduction to Economics. New York [etc.]: McGraw-Hill, 1930.

Cita MLA (9a ed.)

Evans, Griffith Conrad. Mathematical Introduction to Economics. McGraw-Hill, 1930.