APA (7th ed.) Citation

Koenig, D. a., (curator), I. S. U. S. C. a. U. A., Stravers, J., Halmi, N. S., & Schaufenbuel, J. P. (1977). Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, fall 1977.

Chicago Style (17th ed.) Citation

Koenig, Darwinet al, Iowa State University. Special Collections and University Archives (curator), Jon Stravers, Nicholas S. Halmi, and Joseph P. Schaufenbuel. Darwin Koenig Letter to Nicholas S. Halmi Regarding Bird Sightings, Fall 1977. 1977.

MLA (9th ed.) Citation

Koenig, Darwinet al, et al. Darwin Koenig Letter to Nicholas S. Halmi Regarding Bird Sightings, Fall 1977. 1977.