APA (7th ed.) Citation

(1989). Digital geologic and geographic information systems. American Geophysical Union.

Chicago Style (17th ed.) Citation

Digital Geologic and Geographic Information Systems. Washington, DC: American Geophysical Union, 1989.

MLA (9th ed.) Citation

Digital Geologic and Geographic Information Systems. American Geophysical Union, 1989.

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