APA(7版)引用形式
Federal Writers' Project & ebrary, Inc. (2007). The WPA guide to 1930s Iowa. University of Iowa Press.
Chicagoスタイル(17版)引用形式
Federal Writers' Project , Inc ebrary. The WPA Guide to 1930s Iowa. Iowa City: University of Iowa Press, 2007.
MLA(9版)引用形式
Federal Writers' Project , Inc ebrary. The WPA Guide to 1930s Iowa. University of Iowa Press, 2007.
警告: この引用は必ずしも正確ではありません.