APA (7th ed.) Citation

DeCoster, R. J. a., (curator), I. S. U. S. C. a. U. A., & Halmi, N. S. (1978). Rich DeCoster letter to Nicholas S. Halmi regarding bird sightings, June 5, 1978.

Chicago Style (17th ed.) Citation

DeCoster, R. J.et al, Iowa State University. Special Collections and University Archives (curator), and Nicholas S. Halmi. Rich DeCoster Letter to Nicholas S. Halmi Regarding Bird Sightings, June 5, 1978. 1978.

MLA (9th ed.) Citation

DeCoster, R. J.et al, et al. Rich DeCoster Letter to Nicholas S. Halmi Regarding Bird Sightings, June 5, 1978. 1978.