Style de citation APA (7e éd.)

Engelhardt, C. L. (2012). The Farm at Holstein Dip: An Iowa Boyhood. University of Iowa Press.

Style de citation Chicago (17e éd.)

Engelhardt, Carroll L. The Farm at Holstein Dip: An Iowa Boyhood. Iowa City: University of Iowa Press, 2012.

Style de citation MLA (8e éd.)

Engelhardt, Carroll L. The Farm at Holstein Dip: An Iowa Boyhood. University of Iowa Press, 2012.