Cita APA (7th ed.)

Ullrich, K., & Kachele, K. (2014). The Iowa state fair. University Of Iowa Press.

Cita Chicago (17th ed.)

Ullrich, Kurt, i Kristina Kachele. The Iowa State Fair. Iowa City, Iowa: University Of Iowa Press, 2014.

Cita MLA (9th ed.)

Ullrich, Kurt, i Kristina Kachele. The Iowa State Fair. University Of Iowa Press, 2014.