(1989). Highlights of the geology and engineering of the Chesapeake and Ohio Canal: Washington, D.C. to Frostburg, Maryland, July 15, 1989. American Geophysical Union.
Chicago-Zitierstil (17. Ausg.)Highlights of the Geology and Engineering of the Chesapeake and Ohio Canal: Washington, D.C. to Frostburg, Maryland, July 15, 1989. Washington, DC: American Geophysical Union, 1989.
MLA-Zitierstil (9. Ausg.)Highlights of the Geology and Engineering of the Chesapeake and Ohio Canal: Washington, D.C. to Frostburg, Maryland, July 15, 1989. American Geophysical Union, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.