APA (7th ed.) Citation

Robertson, A. H. F., Searle, M. P., & Ries, A. C. (1990). The Geology and tectonics of the Oman region. Geological Society.

Chicago Style (17th ed.) Citation

Robertson, A. H. F., M. P. Searle, and Alison C. Ries. The Geology and Tectonics of the Oman Region. London: Geological Society, 1990.

MLA (9th ed.) Citation

Robertson, A. H. F., et al. The Geology and Tectonics of the Oman Region. Geological Society, 1990.