Cita APA (7a ed.)

Amaral, V. (2007). Proceedings of the PPPJ 2007 Conference. ACM.

Cita Chicago Style (17a ed.)

Amaral, Vasco. Proceedings of the PPPJ 2007 Conference. [Place of publication not identified]: ACM, 2007.

Cita MLA (9a ed.)

Amaral, Vasco. Proceedings of the PPPJ 2007 Conference. ACM, 2007.