Cita APA (7a ed.)

Commons, J. R. (1931). Institutional economics. [s.n.].

Cita Chicago Style (17a ed.)

Commons, John Rogers. Institutional Economics. [S.l.]: [s.n.], 1931.

Cita MLA (9a ed.)

Commons, John Rogers. Institutional Economics. [s.n.], 1931.