ACSM-ASPRS Annual Convention Baltimore, Md., American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, & Auto-Carto. (1991). Technical papers. American Congress on Surveying and Mapping : American Society for Photogrammetry and Remote Sensing.
Chicago Style (17th ed.) CitationACSM-ASPRS Annual Convention Baltimore, Md., American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, and Auto-Carto. Technical Papers. Bethesda, Md.: American Congress on Surveying and Mapping : American Society for Photogrammetry and Remote Sensing, 1991.
MLA (8th ed.) CitationACSM-ASPRS Annual Convention Baltimore, Md., et al. Technical Papers. American Congress on Surveying and Mapping : American Society for Photogrammetry and Remote Sensing, 1991.