Hill, M. O. (1979). TWINSPAN: A FORTRAN program for arranging multivariate data in an ordered two-way table by classification of individual and attributes. Cornell University Press.
Chicago Style (17th ed.) CitationHill, M. O. TWINSPAN: A FORTRAN Program for Arranging Multivariate Data in an Ordered Two-way Table by Classification of Individual and Attributes. Ithaca [etc.]: Cornell University Press, 1979.
MLA (9th ed.) CitationHill, M. O. TWINSPAN: A FORTRAN Program for Arranging Multivariate Data in an Ordered Two-way Table by Classification of Individual and Attributes. Cornell University Press, 1979.
Warning: These citations may not always be 100% accurate.