Dewey decimal classification and relative index.
APA Citation
Dewey, M. (1971). Dewey decimal classification and relative index. Ed. 18. Lake Placid Club, N.Y.: Forest Press.
MLA Citation
Dewey, Melvil, 1851-1931. Dewey Decimal Classification And Relative Index. Ed. 18. Lake Placid Club, N.Y.: Forest Press, 1971.
Warning: These citations may not always be complete (especially for serials).