Cita APA (7a ed.)

Boulding, K. E. (1970). Economics as a science. McGraw-Hill.

Cita Chicago Style (17a ed.)

Boulding, Kenneth Ewart. Economics as a Science. New York [etc.]: McGraw-Hill, 1970.

Cita MLA (9a ed.)

Boulding, Kenneth Ewart. Economics as a Science. McGraw-Hill, 1970.