APA

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

Chicago

Boulding Kenneth Ewart, . 1970. Economics as a science. New York: McGraw-Hill.

Harvard

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

MLA

Boulding Kenneth Ewart, . Economics as a science. New York: McGraw-Hill. 1970.