APA

Feldman S., Association for Computing Machinery & ACM Special Interest Group on Electronic Commerce. (1999). Proceedings of the 1st ACM conference on Electronic commerce. New York, NY: ACM.

Chicago

Feldman Stuart, Association for Computing Machinery and ACM Special Interest Group on Electronic Commerce. 1999. Proceedings of the 1st ACM conference on Electronic commerce. New York, NY: ACM.

Harvard

Feldman S., Association for Computing Machinery and ACM Special Interest Group on Electronic Commerce. (1999). Proceedings of the 1st ACM conference on Electronic commerce. New York, NY: ACM.

MLA

Feldman Stuart, Association for Computing Machinery and ACM Special Interest Group on Electronic Commerce. Proceedings of the 1st ACM conference on Electronic commerce. New York, NY: ACM. 1999.