APA (7th ed.) Citation

Dewey, M. (2011). Dewey Decimal Classification and Relative Index (DDC 23) Vol.2. OCLC.

Chicago Style (17th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification and Relative Index (DDC 23) Vol.2. OCLC, 2011.

MLA (8th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification and Relative Index (DDC 23) Vol.2. OCLC, 2011.

Warning: These citations may not always be 100% accurate.