APA (7th ed.) Citation

Armstrong, E. a., Armstrong, E. a., & (curator), I. S. U. S. C. a. U. A. (1990). Field reports, Eugene and Eloise Armstrong, fall 1990.

Chicago Style (17th ed.) Citation

Armstrong, Eloiseet al, Eugeneet al Armstrong, and Iowa State University. Special Collections and University Archives (curator). Field Reports, Eugene and Eloise Armstrong, Fall 1990. 1990.

MLA (9th ed.) Citation

Armstrong, Eloiseet al, et al. Field Reports, Eugene and Eloise Armstrong, Fall 1990. 1990.