APA

Virtual Software and Technology 1999, Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques & ACM Special Interest Group on Computer-Human Interaction. (1999). Proceedings of the ACM symposium on Virtual reality software and technology. New York, NY: ACM.

Chicago

Virtual Software and Technology 1999, Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Computer-Human Interaction. 1999. Proceedings of the ACM symposium on Virtual reality software and technology. New York, NY: ACM.

Harvard

Virtual Software and Technology 1999, Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Computer-Human Interaction. (1999). Proceedings of the ACM symposium on Virtual reality software and technology. New York, NY: ACM.

MLA

Virtual Software and Technology 1999, Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Computer-Human Interaction. Proceedings of the ACM symposium on Virtual reality software and technology. New York, NY: ACM. 1999.