Udvardy, M. D. F., Farrand, J., & Udvardy, M. D. F. (1994). National Audubon Society field guide to North American birds (Rev. ed.). Knopf : Distributed by Random House.
Chicago Style (17th ed.) CitationUdvardy, Miklos D. F., John Farrand, and Miklos D. F. Udvardy. National Audubon Society Field Guide to North American Birds. Rev. ed. New York: Knopf : Distributed by Random House, 1994.
MLA引文Udvardy, Miklos D. F., et al. National Audubon Society Field Guide to North American Birds. Rev. ed. Knopf : Distributed by Random House, 1994.
警告:這些引文格式不一定是100%准確.