Cita APA (7a ed.)

Barker, E. (1961). Principles of social and political theory (First published in Oxford paperbacks.). Oxford University Press.

Cita Chicago Style (17a ed.)

Barker, Ernest. Principles of Social and Political Theory. First published in Oxford paperbacks. [London]: Oxford University Press, 1961.

Cita MLA (9a ed.)

Barker, Ernest. Principles of Social and Political Theory. First published in Oxford paperbacks. Oxford University Press, 1961.