APA

Mens T., Association for Computing Machinery & ACM Special Interest Group on Software Engineering. (2009). Proceedings of the joint international and annual ERCIM workshops on Principles of software evolution (IWPSE) and software evolution (Evol) workshops. New York, NY: ACM.

Chicago

Mens Tom, Association for Computing Machinery and ACM Special Interest Group on Software Engineering. 2009. Proceedings of the joint international and annual ERCIM workshops on Principles of software evolution (IWPSE) and software evolution (Evol) workshops. New York, NY: ACM.

Harvard

Mens T., Association for Computing Machinery and ACM Special Interest Group on Software Engineering. (2009). Proceedings of the joint international and annual ERCIM workshops on Principles of software evolution (IWPSE) and software evolution (Evol) workshops. New York, NY: ACM.

MLA

Mens Tom, Association for Computing Machinery and ACM Special Interest Group on Software Engineering. Proceedings of the joint international and annual ERCIM workshops on Principles of software evolution (IWPSE) and software evolution (Evol) workshops. New York, NY: ACM. 2009.