APA (7th ed.) Citation

Dewey, M. (1979). Dewey decimal classification and relative index (19th. ed.). Forest Press, a division of OCLC Online Computer Library Center.

Chicago Style (17th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 19th. ed. Albany, N.Y.: Forest Press, a division of OCLC Online Computer Library Center, 1979.

MLA (9th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 19th. ed. Forest Press, a division of OCLC Online Computer Library Center, 1979.