Citazione Stile APA (7a Edizione)

Dewey Melvil. (1971). Decimal Classification and Relative Index vol 3 Relative Index (18th.). Forest press Inc.

Citazione stile Chigago Style (17a edizione)

Dewey Melvil. Decimal Classification and Relative Index Vol 3 Relative Index. 18th. New York: Forest press Inc, 1971.

Citatione MLA (9a ed.)

Dewey Melvil. Decimal Classification and Relative Index Vol 3 Relative Index. 18th. Forest press Inc, 1971.