APA (7th ed.) Citation

Gates, T. a., (curator), I. S. U. S. C. a. U. A., & Kent, T. H. (1980). Tim Gates letter to Thomas H. Kent regarding bird sightings, June 2, 1980.

Chicago Style (17th ed.) Citation

Gates, Timet al, Iowa State University. Special Collections and University Archives (curator), and Thomas H. Kent. Tim Gates Letter to Thomas H. Kent Regarding Bird Sightings, June 2, 1980. 1980.

MLA (9th ed.) Citation

Gates, Timet al, et al. Tim Gates Letter to Thomas H. Kent Regarding Bird Sightings, June 2, 1980. 1980.