APA (7th ed.) Citation

Baker, B. H., Mohr, P. A., & Williams, L. A. J. (1972). Geology of the eastern rift system of Africa. Geological Society of America.

Chicago Style (17th ed.) Citation

Baker, B. H., Paul A. Mohr, and Laurence Albert Joseph Williams. Geology of the Eastern Rift System of Africa. [Boulder, Colo.]: Geological Society of America, 1972.

MLA (9th ed.) Citation

Baker, B. H., et al. Geology of the Eastern Rift System of Africa. Geological Society of America, 1972.