Franklin

MLA

Purves, Ross, and Christopher B Jones. Proceedings of the 4th Acm Workshop On Geographical Information Retrieval. .

APA

Purves, R., & Jones, C. B. Proceedings of the 4th ACM Workshop on Geographical Information Retrieval. .

Chicago

Purves, Ross, Christopher B Jones, and Ross Purves. Proceedings of the 4th ACM Workshop On Geographical Information Retrieval.