Cita APA (7a ed.)

Hillman, A. L. (1989). The political economy of protection. Harwood Academic Publishers.

Cita Chicago Style (17a ed.)

Hillman, Arye L. The Political Economy of Protection. Chur [Suiza] [etc.]: Harwood Academic Publishers, 1989.

Cita MLA (9a ed.)

Hillman, Arye L. The Political Economy of Protection. Harwood Academic Publishers, 1989.