Cita APA (7a ed.)

Não informado. (2000). University of Iowa studies in social science. University of Iowa.

Cita Chicago Style (17a ed.)

Não informado. University of Iowa Studies in Social Science. Iowa City, Iowa: University of Iowa, 2000.

Cita MLA (8a ed.)

Não informado. University of Iowa Studies in Social Science. University of Iowa, 2000.

Precaución: Estas citas no son 100% exactas.