APA-viite (7. p.)
Tilman, R. (2007). Thorstein Veblen and the enrichment of evolutionary naturalism. University of Missouri Press.
Chicago-viite (17. p.)
Tilman, Rick. Thorstein Veblen and the Enrichment of Evolutionary Naturalism. Columbia, Mo.: University of Missouri Press, 2007.
MLA-viite (9. p.)
Tilman, Rick. Thorstein Veblen and the Enrichment of Evolutionary Naturalism. University of Missouri Press, 2007.
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