Hansen, J. L. a., (curator), I. S. U. S. C. a. U. A., Kent, T. H., Kienzler, J., Menke, D., Mueller, D., . . . Schutte, S. (1980). Letter from James L. Hansen to Thomas H. Kent regarding bird sightings, November 25, 1980.
Chicago Style (17th ed.) CitationHansen, James L.et al, et al. Letter from James L. Hansen to Thomas H. Kent Regarding Bird Sightings, November 25, 1980. 1980.
MLA (9th ed.) CitationHansen, James L.et al, et al. Letter from James L. Hansen to Thomas H. Kent Regarding Bird Sightings, November 25, 1980. 1980.
Warning: These citations may not always be 100% accurate.