APA (7th ed.) Citation

Silcock, W. R. a., (curator), I. S. U. S. C. a. U. A., & Kent, T. H. (1980). W. Ross Silcock letter to Thomas H. Kent regarding bird sightings, May 31, 1980.

Chicago Style (17th ed.) Citation

Silcock, W. Rosset al, Iowa State University. Special Collections and University Archives (curator), and Thomas H. Kent. W. Ross Silcock Letter to Thomas H. Kent Regarding Bird Sightings, May 31, 1980. 1980.

MLA (9th ed.) Citation

Silcock, W. Rosset al, et al. W. Ross Silcock Letter to Thomas H. Kent Regarding Bird Sightings, May 31, 1980. 1980.