APA (7th ed.) Citation

Graham, J. R., Leake, B. E., & Ryan, P. D. (1989). The geology of south Mayo, western Ireland. University of Glasgow.

Chicago Style (17th ed.) Citation

Graham, John Rollisson, Bernard E. Leake, and Paul D. Ryan. The Geology of South Mayo, Western Ireland. Glasgow: University of Glasgow, 1989.

MLA (9th ed.) Citation

Graham, John Rollisson, et al. The Geology of South Mayo, Western Ireland. University of Glasgow, 1989.