APA (7th ed.) Citation

Black, G. a., (curator), I. S. U. S. C. a. U. A., Stravers, J., Halmi, N. S., & Heusinkveld, B. (1977). Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 18, 1977.

Chicago Style (17th ed.) Citation

Black, Gladyset al, Iowa State University. Special Collections and University Archives (curator), Jon Stravers, Nicholas S. Halmi, and Bill Heusinkveld. Gladys Black Letter to Nicholas S. Halmi Regarding Bird Sighting Reports, March 18, 1977. 1977.

MLA (9th ed.) Citation

Black, Gladyset al, et al. Gladys Black Letter to Nicholas S. Halmi Regarding Bird Sighting Reports, March 18, 1977. 1977.