Roberts, J. L. (1989). The Macmillan field guide to geological structures. Macmillan ; Pergamon Press.
Chicago Style (17th ed.) CitationRoberts, John L. The Macmillan Field Guide to Geological Structures. London: Macmillan ; Pergamon Press, 1989.
MLA (9th ed.) CitationRoberts, John L. The Macmillan Field Guide to Geological Structures. Macmillan ; Pergamon Press, 1989.
Warning: These citations may not always be 100% accurate.