Cita APA (7a ed.)

Griffiths, J. C. (1981). Afghanistan: Key to a continent. Westview Pr.

Cita Chicago Style (17a ed.)

Griffiths, John C. Afghanistan: Key to a Continent. Boulder, Colo.: Westview Pr, 1981.

Cita MLA (9a ed.)

Griffiths, John C. Afghanistan: Key to a Continent. Westview Pr, 1981.