APA-viite (7. p.)
ebrary, Inc, Meine, C., & Knight, R. L. (1999). The essential Aldo Leopold: Quotations and commentaries. University of Wisconsin Press.
Chicago-viite (17. p.)
ebrary, Inc, Curt Meine, ja Richard L. Knight. The Essential Aldo Leopold: Quotations and Commentaries. Madison, WI: University of Wisconsin Press, 1999.
MLA-viite (9. p.)
ebrary, Inc, et al. The Essential Aldo Leopold: Quotations and Commentaries. University of Wisconsin Press, 1999.
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