Cita APA (7a ed.)

Parker, U. S. (1920). Elements of economics for high schools (Rev. ed.). Irwin printing co..

Cita Chicago Style (17a ed.)

Parker, Ulysses Simpson. Elements of Economics for High Schools. Rev. ed. [Quincy, Ill.: Irwin printing co., 1920.

Cita MLA (8a ed.)

Parker, Ulysses Simpson. Elements of Economics for High Schools. Rev. ed. Irwin printing co., 1920.