Cita APA (7th ed.)

Federal Writers' Project & ProQuest (Firm). (2007). The WPA guide to 1930s Iowa. University of Iowa Press.

Cita Chicago (17th ed.)

Federal Writers' Project i ProQuest (Firm). The WPA Guide to 1930s Iowa. Iowa City: University of Iowa Press, 2007.

Cita MLA (9th ed.)

Federal Writers' Project i ProQuest (Firm). The WPA Guide to 1930s Iowa. University of Iowa Press, 2007.