Cita APA (7a ed.)

Edwards, R. B. (1969). Freedom, responsibility and obligation. Nijhoff.

Cita Chicago Style (17a ed.)

Edwards, Rem Blanchard. Freedom, Responsibility and Obligation. The Hague: Nijhoff, 1969.

Cita MLA (9a ed.)

Edwards, Rem Blanchard. Freedom, Responsibility and Obligation. Nijhoff, 1969.