APA (7th ed.) Citation

Black, G. a., (curator), I. S. U. S. C. a. U. A., & Kent, T. H. (1980). Gladys Black letter to Thomas H. Kent regarding bird sightings, March 17, 1980.

Chicago Style (17th ed.) Citation

Black, Gladyset al, Iowa State University. Special Collections and University Archives (curator), and Thomas H. Kent. Gladys Black Letter to Thomas H. Kent Regarding Bird Sightings, March 17, 1980. 1980.

MLA (9th ed.) Citation

Black, Gladyset al, et al. Gladys Black Letter to Thomas H. Kent Regarding Bird Sightings, March 17, 1980. 1980.