(2001). UML 2001 - the unified modeling language: Modeling languages, concepts, and tools ; 4th international conference, Toronto, Canada, October 1 - 5, 2001 ; proceedings. Springer. https://doi.org/10.1007/3-540-45441-1
Chicago Style (17th ed.) CitationUML 2001 - the Unified Modeling Language: Modeling Languages, Concepts, and Tools ; 4th International Conference, Toronto, Canada, October 1 - 5, 2001 ; Proceedings. Berlin ; Heidelberg ; New York ; Barcelona ; Hong Kong ; London: Springer, 2001. https://doi.org/10.1007/3-540-45441-1.
MLA (9th ed.) CitationUML 2001 - the Unified Modeling Language: Modeling Languages, Concepts, and Tools ; 4th International Conference, Toronto, Canada, October 1 - 5, 2001 ; Proceedings. Springer, 2001. https://doi.org/10.1007/3-540-45441-1.