al, I. O. U., & (curator), I. S. U. S. C. a. U. A. (1978). Bird sightings checklist, winter 1978-1979.
Chicago Style (17th ed.) Citational, Iowa Ornithologists' Unionet, and Iowa State University. Special Collections and University Archives (curator). Bird Sightings Checklist, Winter 1978-1979. 1978.
MLA (9th ed.) Citational, Iowa Ornithologists' Unionet, and Iowa State University. Special Collections and University Archives (curator). Bird Sightings Checklist, Winter 1978-1979. 1978.
Warning: These citations may not always be 100% accurate.