Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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