APA-referens (7:e uppl.)

Sjoberg, G. (1965). The preindustrial city, past and present. Free Press.

Chicago-referens (17:e uppl.)

Sjoberg, Gideon. The Preindustrial City, Past and Present. New York: Free Press, 1965.

MLA-referens (9:e uppl.)

Sjoberg, Gideon. The Preindustrial City, Past and Present. Free Press, 1965.