Roberts, J. L. (1989). The Macmillan field guide to geological structures (1. publ.). Macmillan.
Chicago Style (17th ed.) CitationRoberts, John L. The Macmillan Field Guide to Geological Structures. 1. publ. London u.a: Macmillan, 1989.
MLA (9th ed.) CitationRoberts, John L. The Macmillan Field Guide to Geological Structures. 1. publ. Macmillan, 1989.
Warning: These citations may not always be 100% accurate.