Citazione APA

Dewey, M. (1971). Dewey Decimal Classification and Relative Index (18th ed.). Forest Press.

Stile di citazione Chicago

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 18th ed. New York: Forest Press, 1971.

Citazione MLA

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 18th ed. Forest Press, 1971.