Cita APA (7a ed.)

Dewey, M. (2011). Dewey Decimal Classification (23rd.). OCLC.

Cita Chicago Style (17a ed.)

Dewey, Melvil. Dewey Decimal Classification. 23rd. OCLC, 2011.

Cita MLA (9a ed.)

Dewey, Melvil. Dewey Decimal Classification. 23rd. OCLC, 2011.