APA (7th ed.) Citation

Dewey, M. (2011). Dewey Decimal Classification And Relative Index edition 23 vol. 4.: Relative Index. OCLC Online Computer Library Center, Inc..

Chicago Style (17th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification And Relative Index Edition 23 Vol. 4.: Relative Index. USA: OCLC Online Computer Library Center, Inc., 2011.

MLA (9th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification And Relative Index Edition 23 Vol. 4.: Relative Index. OCLC Online Computer Library Center, Inc., 2011.