APA (7th ed.) Citation

Armstrong, E. a., Armstrong, E. a., (curator), I. S. U. S. C. a. U. A., Allen, P., Allen, R. I., Sinclair, J., . . . Thompson, C. (1992). Field reports form for submitting seasonal observations of Iowa birds, Eloise Armstrong and Eugene Armstrong, spring 1992.

Chicago Style (17th ed.) Citation

Armstrong, Eloiseet al, Eugeneet al Armstrong, Iowa State University. Special Collections and University Archives (curator), Pam Allen, Reid I. Allen, Jim Sinclair, Dennis Thompson, and Cecille Thompson. Field Reports Form for Submitting Seasonal Observations of Iowa Birds, Eloise Armstrong and Eugene Armstrong, Spring 1992. 1992.

MLA (9th ed.) Citation

Armstrong, Eloiseet al, et al. Field Reports Form for Submitting Seasonal Observations of Iowa Birds, Eloise Armstrong and Eugene Armstrong, Spring 1992. 1992.