APA (7th ed.) Citation

SIGART & International Symposium on Geographic Information Systems. GIS: Geographic Information Systems. Association for Computing Machinery.

Chicago Style (17th ed.) Citation

SIGART and International Symposium on Geographic Information Systems. GIS: Geographic Information Systems. Association for Computing Machinery.

MLA (9th ed.) Citation

SIGART and International Symposium on Geographic Information Systems. GIS: Geographic Information Systems. Association for Computing Machinery.

Warning: These citations may not always be 100% accurate.