APA (7th ed.) Citation

Walter, J. L. a., (curator), I. S. U. S. C. a. U. A., & Heinz, F. (1992). Field reports form for submitting seasonal observations of Iowa birds, Jan L. Walter, fall 1992.

Chicago Style (17th ed.) Citation

Walter, Jan L.et al, Iowa State University. Special Collections and University Archives (curator), and Fred Heinz. Field Reports Form for Submitting Seasonal Observations of Iowa Birds, Jan L. Walter, Fall 1992. 1992.

MLA (9th ed.) Citation

Walter, Jan L.et al, et al. Field Reports Form for Submitting Seasonal Observations of Iowa Birds, Jan L. Walter, Fall 1992. 1992.