APA (7th ed.) Citation
Ruhe, R. V. (1969). Quaternary landscapes in Iowa ([1st ed.].). Iowa State University Press.
Chicago Style (17th ed.) Citation
Ruhe, Robert V. Quaternary Landscapes in Iowa. [1st ed.]. Ames: Iowa State University Press, 1969.
MLA (9th ed.) Citation
Ruhe, Robert V. Quaternary Landscapes in Iowa. [1st ed.]. Iowa State University Press, 1969.
Warning: These citations may not always be 100% accurate.