Cita APA (7th ed.)

Park, R. E., & Burgess, E. W. (1969). Introduction to the science of sociology: Including the original index to basic sociological concepts (3d ed. rev.). University of Chicago Press.

Cita Chicago (17th ed.)

Park, Robert Ezra, i Ernest Watson Burgess. Introduction to the Science of Sociology: Including the Original Index to Basic Sociological Concepts. 3d ed. rev. Chicago: University of Chicago Press, 1969.

Cita MLA (8th ed.)

Park, Robert Ezra, i Ernest Watson Burgess. Introduction to the Science of Sociology: Including the Original Index to Basic Sociological Concepts. 3d ed. rev. University of Chicago Press, 1969.

Atenció: Aquestes cites poden no estar 100% correctes.