Cita APA (7a ed.)

Purves, R., & Purves, R. C. (2010). Proceedings of the 6th Workshop on Geographic Information Retrieval. Association for Computing Machinery.

Cita Chicago Style (17a ed.)

Purves, Ross, y Ross Contributor Purves. Proceedings of the 6th Workshop on Geographic Information Retrieval. [Place of publication not identified]: Association for Computing Machinery, 2010.

Cita MLA (9a ed.)

Purves, Ross, y Ross Contributor Purves. Proceedings of the 6th Workshop on Geographic Information Retrieval. Association for Computing Machinery, 2010.