APA استشهاد

Croyle, R. T., & Skelton, J. A. (1991). Mental representation in health and illness.

استشهاد بنمط شيكاغو

Croyle, Robert T., و J A. Skelton. Mental Representation in Health and Illness. New York, Springer-Verlag, 1991.

MLA استشهاد

Croyle, Robert T., و J A. Skelton. Mental Representation in Health and Illness. 1991.