Hopkins, F. (1973). General Classification Theory--A Review of Classification Research Group Work.
Chicago Style (17th ed.) CitationHopkins, Fran. General Classification Theory--A Review of Classification Research Group Work. 1973.
MLA (9th ed.) CitationHopkins, Fran. General Classification Theory--A Review of Classification Research Group Work. 1973.
Warning: These citations may not always be 100% accurate.