Citazione Stile APA (7a Edizione)

Gray, J. A. (1971). The psychology of fear and stress. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Gray, Jeffrey Alan. The Psychology of Fear and Stress. New York: McGraw-Hill, 1971.

Citatione MLA (9a ed.)

Gray, Jeffrey Alan. The Psychology of Fear and Stress. McGraw-Hill, 1971.