Citazione APA

Bullock, C. J. (1919). The elements of economics (Rev. & enl. ed.). Silver, Burdett and co.

Stile di citazione Chicago

Bullock, Charles Jesse. The Elements of Economics. Rev. & enl. ed. Boston: Silver, Burdett and co, 1919.

Citazione MLA

Bullock, Charles Jesse. The Elements of Economics. Rev. & enl. ed. Silver, Burdett and co, 1919.