APA (7th ed.) Citation

Roberts, J. L. (1982). Introduction to geological maps and structures (First edition.). Pergamon Press.

Chicago Style (17th ed.) Citation

Roberts, John L. Introduction to Geological Maps and Structures. First edition. Oxford ; New York: Pergamon Press, 1982.

MLA (9th ed.) Citation

Roberts, John L. Introduction to Geological Maps and Structures. First edition. Pergamon Press, 1982.