APA

Sixth ACM Conference on Electronic Commerce 2005, Association for Computing Machinery & ACM Special Interest Group on Electronic Commerce. (2005). Proceedings of the 6th ACM conference on Electronic commerce. New York, NY: ACM.

Chicago

Sixth ACM Conference on Electronic Commerce 2005, Association for Computing Machinery and ACM Special Interest Group on Electronic Commerce. 2005. Proceedings of the 6th ACM conference on Electronic commerce. New York, NY: ACM.

Harvard

Sixth ACM Conference on Electronic Commerce 2005, Association for Computing Machinery and ACM Special Interest Group on Electronic Commerce. (2005). Proceedings of the 6th ACM conference on Electronic commerce. New York, NY: ACM.

MLA

Sixth ACM Conference on Electronic Commerce 2005, Association for Computing Machinery and ACM Special Interest Group on Electronic Commerce. Proceedings of the 6th ACM conference on Electronic commerce. New York, NY: ACM. 2005.