APA (7th ed.) Citation

Van Dyk, J. a., (curator), I. S. U. S. C. a. U. A., Halmi, N. S., & Newel, E. (1977). John Van Dyk letter to Nicholas S. Halmi regarding bird sightings, February 12, 1977.

Chicago Style (17th ed.) Citation

Van Dyk, Jameset al, Iowa State University. Special Collections and University Archives (curator), Nicholas S. Halmi, and Eugene Newel. John Van Dyk Letter to Nicholas S. Halmi Regarding Bird Sightings, February 12, 1977. 1977.

MLA (9th ed.) Citation

Van Dyk, Jameset al, et al. John Van Dyk Letter to Nicholas S. Halmi Regarding Bird Sightings, February 12, 1977. 1977.