Cita APA (7a ed.)

Gunn, J. C. (1971). A Directory of world psychiatry. World Psychiatric Association.

Cita Chicago Style (17a ed.)

Gunn, John Charles. A Directory of World Psychiatry. London: World Psychiatric Association, 1971.

Cita MLA (9a ed.)

Gunn, John Charles. A Directory of World Psychiatry. World Psychiatric Association, 1971.