APA (7th ed.) Citation

Auto-Carto Baltimore, Md., American Congress on Surveying and Mapping, & American Society for Photogrammetry and Remote Sensing. (1989). Auto Carto 9: Ninth International Symposium on Computer-Assisted Cartography, Baltimore, Maryland, April 2-7. American Society for Photogrammetry and Remote Sensing : American Congress on Surveying and Mapping.

Chicago Style (17th ed.) Citation

Auto-Carto Baltimore, Md., American Congress on Surveying and Mapping, and American Society for Photogrammetry and Remote Sensing. Auto Carto 9: Ninth International Symposium on Computer-Assisted Cartography, Baltimore, Maryland, April 2-7. Falls Church, Va.: American Society for Photogrammetry and Remote Sensing : American Congress on Surveying and Mapping, 1989.

MLA (8th ed.) Citation

Auto-Carto Baltimore, Md., et al. Auto Carto 9: Ninth International Symposium on Computer-Assisted Cartography, Baltimore, Maryland, April 2-7. American Society for Photogrammetry and Remote Sensing : American Congress on Surveying and Mapping, 1989.