Cita APA (7th ed.)
Broom, L. (1970). Principles of sociology (4th.ed.). Harper & Row.
Cita Chicago (17th ed.)
Broom, Leonard. Principles of Sociology. 4th.ed. New York: Harper & Row, 1970.
Cita MLA (9th ed.)
Broom, Leonard. Principles of Sociology. 4th.ed. Harper & Row, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.