Powars, D. S., & Bruce, T. S. (1999). The effects of the Chesapeake Bay impact crater on the geological framework and correlation of hydrogeologic units of the Lower York-James Peninsula, Virginia. US Gov. Print. Off.
Chicago Style (17th ed.) CitationPowars, David S., and T. Scott Bruce. The Effects of the Chesapeake Bay Impact Crater on the Geological Framework and Correlation of Hydrogeologic Units of the Lower York-James Peninsula, Virginia. Washington, DC: US Gov. Print. Off, 1999.
MLA (9th ed.) CitationPowars, David S., and T. Scott Bruce. The Effects of the Chesapeake Bay Impact Crater on the Geological Framework and Correlation of Hydrogeologic Units of the Lower York-James Peninsula, Virginia. US Gov. Print. Off, 1999.
Warning: These citations may not always be 100% accurate.