Cita APA

Dewey, M. (2011). Dewey decimal classification and relative index (23rd ed.). OCLC.

Chicago Edition Citation

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 23rd ed. Dublin: OCLC, 2011.

Cita MLA

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 23rd ed. OCLC, 2011.