Cita APA (7th ed.)
Solmon, L. C. (1976). Economics (2nd ed.). Addison-Wesley.
Cita Chicago (17th ed.)
Solmon, Lewis C. Economics. 2nd ed. Reading, MA: Addison-Wesley, 1976.
Cita MLA (9th ed.)
Solmon, Lewis C. Economics. 2nd ed. Addison-Wesley, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.