APA (7th ed.) Citation

Cecil, R. I. a., (curator), I. S. U. S. C. a. U. A., Kent, T. H., & Tetrault, R. (1991). Northern Goshawk and Golden Eagle ighting details contributed by Bob Cecil, spring 1991.

Chicago Style (17th ed.) Citation

Cecil, Robert I.et al, Iowa State University. Special Collections and University Archives (curator), Thomas H. Kent, and Richard Tetrault. Northern Goshawk and Golden Eagle Ighting Details Contributed by Bob Cecil, Spring 1991. 1991.

MLA (9th ed.) Citation

Cecil, Robert I.et al, et al. Northern Goshawk and Golden Eagle Ighting Details Contributed by Bob Cecil, Spring 1991. 1991.