Cita APA (7a ed.)

Dewey,Melvil. (2011). Dewey decimal classification: III (23 rd.). Online Computer Library Centre.

Cita Chicago Style (17a ed.)

Dewey,Melvil. Dewey Decimal Classification: III. 23 rd. Ohio: Online Computer Library Centre, 2011.

Cita MLA (9a ed.)

Dewey,Melvil. Dewey Decimal Classification: III. 23 rd. Online Computer Library Centre, 2011.