Cita APA

Dewey, M. (1996). Dewey decimal classification and relative index (21st ed.). Albany, N.Y.: Forest Press.

Chicago Style Citation

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 21st ed. Albany, N.Y.: Forest Press, 1996.

Cita MLA

Dewey, Melvil. Dewey Decimal Classification and Relative Index. 21st ed. Albany, N.Y.: Forest Press, 1996.