APA (7th ed.) Citation

Dewey M. (1990). Abridged Dewey Decimal Classification and Relative Index. OCLC.

Chicago Style (17th ed.) Citation

Dewey M. Abridged Dewey Decimal Classification and Relative Index. New York: OCLC, 1990.

MLA (8th ed.) Citation

Dewey M. Abridged Dewey Decimal Classification and Relative Index. OCLC, 1990.