Cita APA (7th ed.)
ebrary, Inc, & Bergman, M. (2008). Iowa history reader (University of Iowa Press ed.). University of Iowa Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Marvin Bergman. Iowa History Reader. University of Iowa Press ed. Iowa City: University of Iowa Press, 2008.
Cita MLA (9th ed.)
ebrary, Inc, i Marvin Bergman. Iowa History Reader. University of Iowa Press ed. University of Iowa Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.