APA Citatie

Ulmer, M. (1965). Economics: Theory and Practice (2nd ed.). Houghton Mifflin.

Chicago Style citaat

Ulmer, Melville. Economics: Theory and Practice. 2nd ed. Boston: Houghton Mifflin, 1965.

MLA citatie

Ulmer, Melville. Economics: Theory and Practice. 2nd ed. Houghton Mifflin, 1965.

Let op: Deze citaties zijn niet altijd 100% accuraat.