APA (7th ed.) Citation

Armstrong, E. a., Armstrong, E. a., (curator), I. S. U. S. C. a. U. A., & Myers, R. K. (1987). Field notes contributed by Eugene Armstrong and Eloise Armstrong, spring 1987.

Chicago Style (17th ed.) Citation

Armstrong, Eloiseet al, Eugeneet al Armstrong, Iowa State University. Special Collections and University Archives (curator), and Robert K. Myers. Field Notes Contributed by Eugene Armstrong and Eloise Armstrong, Spring 1987. 1987.

MLA (9th ed.) Citation

Armstrong, Eloiseet al, et al. Field Notes Contributed by Eugene Armstrong and Eloise Armstrong, Spring 1987. 1987.