APA (7th ed.) Citation

Armstrong, E. a., Armstrong, E. a., (curator), I. S. U. S. C. a. U. A., & Bendorf, C. J. (1988). Eloise Armstrong and Eugene Armstrong letter to Carl J. Bendorf regarding bird sightings, November 28, 1988.

Chicago Style (17th ed.) Citation

Armstrong, Eloiseet al, Eugeneet al Armstrong, Iowa State University. Special Collections and University Archives (curator), and Carl J. Bendorf. Eloise Armstrong and Eugene Armstrong Letter to Carl J. Bendorf Regarding Bird Sightings, November 28, 1988. 1988.

MLA (9th ed.) Citation

Armstrong, Eloiseet al, et al. Eloise Armstrong and Eugene Armstrong Letter to Carl J. Bendorf Regarding Bird Sightings, November 28, 1988. 1988.