American Society for Testing and Materials, International Symposium on Mapping and Geographic Information Systems, Johnson, A. I., Pettersson, C. B., & Fulton, J. L. (1992). Geographic information systems (GIS) and mapping: Practices and standards. ASTM.
Chicago Style (17th ed.) CitationAmerican Society for Testing and Materials, International Symposium on Mapping and Geographic Information Systems, A. I. Johnson, C. B. Pettersson, and J. L. Fulton. Geographic Information Systems (GIS) and Mapping: Practices and Standards. Philadelphia, Pennslyvania: ASTM, 1992.
MLA (9th ed.) CitationAmerican Society for Testing and Materials, et al. Geographic Information Systems (GIS) and Mapping: Practices and Standards. ASTM, 1992.
Warning: These citations may not always be 100% accurate.