APA

Johnson R., Association for Computing Machinery & ACM Special Interest Group on Programming Languages. (2005). Companion to the 20th annual ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications. New York, NY: ACM.

Chicago

Johnson Ralph, Association for Computing Machinery and ACM Special Interest Group on Programming Languages. 2005. Companion to the 20th annual ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications. New York, NY: ACM.

Harvard

Johnson R., Association for Computing Machinery and ACM Special Interest Group on Programming Languages. (2005). Companion to the 20th annual ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications. New York, NY: ACM.

MLA

Johnson Ralph, Association for Computing Machinery and ACM Special Interest Group on Programming Languages. Companion to the 20th annual ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications. New York, NY: ACM. 2005.