APA استشهاد

Smith, L. H., & Wyngaarden, J. B. (1980). Review of general internal medicine: A self-assessment manual.

استشهاد بنمط شيكاغو

Smith, Lloyd H., و James B. Wyngaarden. Review of General Internal Medicine: A Self-assessment Manual. London, W B Saunders, 1980.

MLA استشهاد

Smith, Lloyd H., و James B. Wyngaarden. Review of General Internal Medicine: A Self-assessment Manual. 1980.