APA استشهاد

Merton, R. K. (1971). Contemporary social problems (3rd. ed.). Harcourt Brace Jovanovich.

استشهاد بنمط شيكاغو

Merton, Robert K. Contemporary Social Problems. 3rd. ed. New York: Harcourt Brace Jovanovich, 1971.

MLA استشهاد

Merton, Robert K. Contemporary Social Problems. 3rd. ed. Harcourt Brace Jovanovich, 1971.