APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Sackman, D. C. (2010). A companion to American environmental history. Wiley-Blackwell.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Douglas Cazaux Sackman. A Companion to American Environmental History. Chichester, West Sussex ; Malden, MA: Wiley-Blackwell, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Douglas Cazaux Sackman. A Companion to American Environmental History. Wiley-Blackwell, 2010.