Dewey, M. (2020). Dewey decimal classification: Schedules 600-900.
Chicago Style CitationDewey, Melvil. Dewey Decimal Classification: Schedules 600-900. 2020.
MLA CitationDewey, Melvil. Dewey Decimal Classification: Schedules 600-900. 2020.
Warning: These citations may not always be 100% accurate.