Heusinkveld, B. a., & (curator), I. S. U. S. C. a. U. A. (1986). Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Bill Heusinkveld, December 20, 1986.
Chicago Style (17th ed.) CitationHeusinkveld, Billet al, and Iowa State University. Special Collections and University Archives (curator). Form for Reporting Iowa Christmas Bird Counts to Iowa Bird Life, Bill Heusinkveld, December 20, 1986. 1986.
MLA (9th ed.) CitationHeusinkveld, Billet al, and Iowa State University. Special Collections and University Archives (curator). Form for Reporting Iowa Christmas Bird Counts to Iowa Bird Life, Bill Heusinkveld, December 20, 1986. 1986.
Warning: These citations may not always be 100% accurate.