APA (7th ed.) Citation

Thelen, E. a., (curator), I. S. U. S. C. a. U. A., Thelen, M., & Thelen, R. (1994). Field reports form for submitting seasonal observations of Iowa birds, Ed Thelen, Spring 1994.

Chicago Style (17th ed.) Citation

Thelen, Edet al, Iowa State University. Special Collections and University Archives (curator), Marty Thelen, and Rob Thelen. Field Reports Form for Submitting Seasonal Observations of Iowa Birds, Ed Thelen, Spring 1994. 1994.

MLA (9th ed.) Citation

Thelen, Edet al, et al. Field Reports Form for Submitting Seasonal Observations of Iowa Birds, Ed Thelen, Spring 1994. 1994.