APA (7th ed.) Citation

Halmi, N. S. a., (curator), I. S. U. S. C. a. U. A., & Bierman, D. (1977). Dick Bierman letter to Nicholas S. Halmi regarding bird sightings, November 29, 1977.

Chicago Style (17th ed.) Citation

Halmi, Nicholas S.et al, Iowa State University. Special Collections and University Archives (curator), and Dick Bierman. Dick Bierman Letter to Nicholas S. Halmi Regarding Bird Sightings, November 29, 1977. 1977.

MLA (9th ed.) Citation

Halmi, Nicholas S.et al, et al. Dick Bierman Letter to Nicholas S. Halmi Regarding Bird Sightings, November 29, 1977. 1977.