APA način citiranja (7. izdanje)
Nelson, W. (2007). On the clean road again: Biodiesel and the future of the family farm. Fulcrum Pub..
Čikaški stil citiranja (17. izdanje)
Nelson, Willie. On the Clean Road Again: Biodiesel and the Future of the Family Farm. Golden, Colo.: Fulcrum Pub., 2007.
MLA način citiranja (9. izdanje)
Nelson, Willie. On the Clean Road Again: Biodiesel and the Future of the Family Farm. Fulcrum Pub., 2007.
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