APA

Plaisant C., Association for Computing Machinery, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques, ACM Special Interest Group on Supporting Group Work & ACM Special Interest Group on Computer-Human Interaction. (1994). Conference Companion on Human Factors in Computing Systems. New York, NY: ACM.

Chicago

Plaisant Catherine, Association for Computing Machinery, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques, ACM Special Interest Group on Supporting Group Work and ACM Special Interest Group on Computer-Human Interaction. 1994. Conference Companion on Human Factors in Computing Systems. New York, NY: ACM.

Harvard

Plaisant C., Association for Computing Machinery, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques, ACM Special Interest Group on Supporting Group Work and ACM Special Interest Group on Computer-Human Interaction. (1994). Conference Companion on Human Factors in Computing Systems. New York, NY: ACM.

MLA

Plaisant Catherine, Association for Computing Machinery, ACM SIGCAPH Computers and the Physically Handicapped, ACM Special Interest Group on Computer Graphics and Interactive Techniques, ACM Special Interest Group on Supporting Group Work and ACM Special Interest Group on Computer-Human Interaction. Conference Companion on Human Factors in Computing Systems. New York, NY: ACM. 1994.