APA (7th ed.) Citation

Harr, D. C. a., (curator), I. S. U. S. C. a. U. A., Kent, T. H., & Spengler, R. (1981). Douglas C. Harr letter to Thomas Kent regarding notable field records for winter, February 24, 1981.

Chicago Style (17th ed.) Citation

Harr, Douglas C.et al, Iowa State University. Special Collections and University Archives (curator), Thomas H. Kent, and Ron Spengler. Douglas C. Harr Letter to Thomas Kent Regarding Notable Field Records for Winter, February 24, 1981. 1981.

MLA (9th ed.) Citation

Harr, Douglas C.et al, et al. Douglas C. Harr Letter to Thomas Kent Regarding Notable Field Records for Winter, February 24, 1981. 1981.