APA (7th ed.) Citation

Walton, R. a., (curator), I. S. U. S. C. a. U. A., Walton, S., & Fitzpatrick, D. (1981). Northern Goshawk sighting details contributed by Robert Walton, 1981.

Chicago Style (17th ed.) Citation

Walton, Robertet al, Iowa State University. Special Collections and University Archives (curator), Sandy Walton, and Doug Fitzpatrick. Northern Goshawk Sighting Details Contributed by Robert Walton, 1981. 1981.

MLA (9th ed.) Citation

Walton, Robertet al, et al. Northern Goshawk Sighting Details Contributed by Robert Walton, 1981. 1981.