APA-viite (7. p.)
ebrary, Inc, & Sackman, D. C. (2010). A companion to American environmental history. Wiley-Blackwell.
Chicago-viite (17. p.)
ebrary, Inc, ja Douglas Cazaux Sackman. A Companion to American Environmental History. Chichester, West Sussex ; Malden, MA: Wiley-Blackwell, 2010.
MLA-viite (9. p.)
ebrary, Inc, ja Douglas Cazaux Sackman. A Companion to American Environmental History. Wiley-Blackwell, 2010.
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