APA (7e ed.) Bronvermelding

Ellen, R. (1982). Environment, subsistence, and system: The ecology of small-scale social formations. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Ellen, Roy. Environment, Subsistence, and System: The Ecology of Small-scale Social Formations. [Cambridge [Cambridgeshire ; New York: Cambridge University Press, 1982.

MLA (9e ed.) Bronvermelding

Ellen, Roy. Environment, Subsistence, and System: The Ecology of Small-scale Social Formations. Cambridge University Press, 1982.

Let op: Deze citaties zijn niet altijd 100% accuraat.