Cita APA (7a ed.)

International Workshop on Principles of Software Evolution, Lanza, M. C., & Di Penta, M. C. (2007). Ninth International Workshop on Principles of Software Evolution. ACM.

Cita Chicago Style (17a ed.)

International Workshop on Principles of Software Evolution, Michele Contributor Lanza, y Massimiliano Contributor Di Penta. Ninth International Workshop on Principles of Software Evolution. [Place of publication not identified]: ACM, 2007.

Cita MLA (9a ed.)

International Workshop on Principles of Software Evolution, et al. Ninth International Workshop on Principles of Software Evolution. ACM, 2007.