Cita APA (7a ed.)
Foley, D., Mckenzie, G. D., & Utgard, R. O. (1993). Investigations in Environmental geology. Macmillan publisching company.
Cita Chicago Style (17a ed.)
Foley, D., Garry D. Mckenzie, y Russell O. Utgard. Investigations in Environmental Geology. United States of America: Macmillan publisching company, 1993.
Cita MLA (9a ed.)
Foley, D., et al. Investigations in Environmental Geology. Macmillan publisching company, 1993.
警告：這些引文格式不一定是100％准確.