Cita APA (7th ed.)

Boulding, K. (1970). Economics as a science. Mc Graw Hill.

Cita Chicago (17th ed.)

Boulding, K. Economics as a Science. New york: Mc Graw Hill, 1970.

Cita MLA (9th ed.)

Boulding, K. Economics as a Science. Mc Graw Hill, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.