Allen, P. a., Allen, R. I. a., (curator), I. S. U. S. C. a. U. A., Kent, T. H., Dunkle, S., Engebretsen, B., . . . Proescholdt, M. (1991). Field notes and Pam Allen and Reid I. Allen letter to Thomas H. Kent, December 2, 1991.
Chicago Style (17th ed.) CitationAllen, Pamet al, et al. Field Notes and Pam Allen and Reid I. Allen Letter to Thomas H. Kent, December 2, 1991. 1991.
MLA (9th ed.) CitationAllen, Pamet al, et al. Field Notes and Pam Allen and Reid I. Allen Letter to Thomas H. Kent, December 2, 1991. 1991.
Warning: These citations may not always be 100% accurate.