APA

Mehlhorn K., Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory & ACM Special Interest Group on Computer Graphics and Interactive Techniques. (1989). Proceedings of the fifth annual symposium on Computational geometry. New York, NY: ACM.

Chicago

Mehlhorn Kurt, Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory and ACM Special Interest Group on Computer Graphics and Interactive Techniques. 1989. Proceedings of the fifth annual symposium on Computational geometry. New York, NY: ACM.

Harvard

Mehlhorn K., Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory and ACM Special Interest Group on Computer Graphics and Interactive Techniques. (1989). Proceedings of the fifth annual symposium on Computational geometry. New York, NY: ACM.

MLA

Mehlhorn Kurt, Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory and ACM Special Interest Group on Computer Graphics and Interactive Techniques. Proceedings of the fifth annual symposium on Computational geometry. New York, NY: ACM. 1989.