APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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