Citazione APA

Beall, J. E., Dewey, M., Matthews, W. E. E., Mitchell, J. S. E., & New, G. R. E. (1996). Dewey Decimal Classification and relative index (Ed.21.).

Stile di citazione Chicago

Beall, Julianne; Ed, Melvil Dewey, Winton E; Ed Matthews, Joan S; Ed Mitchell, e Gregory R; Ed New. Dewey Decimal Classification and Relative Index. Ed.21. New York, Forest press, 1996.

Citazione MLA

Beall, Julianne; Ed, et al. Dewey Decimal Classification and Relative Index. Ed.21. 1996.