Cita APA

(2011). Dewey decimal classification and relative index: DEWEY (Melvil) (23rd ed.). OCLC Online Computer Library Centre.

Chicago Edition Citation

Dewey Decimal Classification and Relative Index: DEWEY (Melvil). 23rd ed. Ohio: OCLC Online Computer Library Centre, 2011.

Cita MLA

Dewey Decimal Classification and Relative Index: DEWEY (Melvil). 23rd ed. OCLC Online Computer Library Centre, 2011.