APA (7th ed.) Citation

Dewey, Kyrios, & Fox. (2019). Dewey Decimal Classification: Schedules 600-999 (2019 ed.). OCLC.

Chicago Style (17th ed.) Citation

Dewey, Kyrios, and Fox. Dewey Decimal Classification: Schedules 600-999. 2019 ed. Dublin, USA: OCLC, 2019.

MLA (8th ed.) Citation

Dewey, et al. Dewey Decimal Classification: Schedules 600-999. 2019 ed. OCLC, 2019.