APA (7th ed.) Citation

Roberts, J. L. Introduction to geological map sand structures. Pergamon Press.

Chicago Style (17th ed.) Citation

Roberts, John L. Introduction to Geological Map Sand Structures. Pergamon Press.

MLA (8th ed.) Citation

Roberts, John L. Introduction to Geological Map Sand Structures. Pergamon Press.

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