APA-referens (7:e uppl.)

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.

Chicago-referens (17:e uppl.)

Park, Robert Ezra, och 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.

MLA-referens (8:e uppl.)

Park, Robert Ezra, och 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.