APA

Carroll J. M., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction & ACM Special Interest Group on Computers and Society. (2009). Proceedings of the fourth international conference on Communities and technologies. New York, NY: ACM.

Chicago

Carroll John Millar, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Computers and Society. 2009. Proceedings of the fourth international conference on Communities and technologies. New York, NY: ACM.

Harvard

Carroll J. M., Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Computers and Society. (2009). Proceedings of the fourth international conference on Communities and technologies. New York, NY: ACM.

MLA

Carroll John Millar, Association for Computing Machinery, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Computers and Society. Proceedings of the fourth international conference on Communities and technologies. New York, NY: ACM. 2009.