Cita APA (7a ed.)

Gregory, C. A. (1989). Observing the economy. Routledge.

Cita Chicago Style (17a ed.)

Gregory, Christroper A. Observing the Economy. New York: Routledge, 1989.

Cita MLA (9a ed.)

Gregory, Christroper A. Observing the Economy. Routledge, 1989.