APA (7th ed.) Citation

Dewey, M. (2019). Dewey decimal classification Januari 2019 vol 1. OCLC.

Chicago Style (17th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification Januari 2019 Vol 1. OCLC, 2019.

MLA (8th ed.) Citation

Dewey, Melvil. Dewey Decimal Classification Januari 2019 Vol 1. OCLC, 2019.

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