APA (7th ed.) Citation

Scott, M. L. (1998). Dewey decimal classification, 21st edition: A study manual and number building guide. Libraries Unlimited.

Chicago Style (17th ed.) Citation

Scott, Mona L. Dewey Decimal Classification, 21st Edition: A Study Manual and Number Building Guide. Englewood, Colo: Libraries Unlimited, 1998.

MLA (9th ed.) Citation

Scott, Mona L. Dewey Decimal Classification, 21st Edition: A Study Manual and Number Building Guide. Libraries Unlimited, 1998.