APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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