Cita APA

Dewey, M., Mitchell, J. S., Beall, J., Matthews, W. E., & New, G. R. (1996). Dewey decimal classification and relative index (Ed. 21.). Forest Press, a division of OCLC Online Computer Library Center.

Citación estilo Chicago

Dewey, Melvil, Joan S. Mitchell, Julianne Beall, Winton E. Matthews, and Gregory R. New. Dewey Decimal Classification and Relative Index. Ed. 21. Albany, N.Y.: Forest Press, a division of OCLC Online Computer Library Center, 1996.

Cita MLA

Dewey, Melvil, et al. Dewey Decimal Classification and Relative Index. Ed. 21. Forest Press, a division of OCLC Online Computer Library Center, 1996.