APA (7th ed.) Citation

Armstrong, E. a., Armstrong, E. a., & (curator), I. S. U. S. C. a. U. A. (1994). Spring field reports, Eugene and Eloise Armstrong.

Chicago Style (17th ed.) Citation

Armstrong, Eloiseet al, Eugeneet al Armstrong, and Iowa State University. Special Collections and University Archives (curator). Spring Field Reports, Eugene and Eloise Armstrong. 1994.

MLA (9th ed.) Citation

Armstrong, Eloiseet al, et al. Spring Field Reports, Eugene and Eloise Armstrong. 1994.