Teague, E. C. (1970). Mount Washington Railway Company: World's first cog railway, Mount Washington, New Hampshire. Newcomen Society in North America.
Chicago-Zitierstil (17. Ausg.)Teague, Ellen C. Mount Washington Railway Company: World's First Cog Railway, Mount Washington, New Hampshire. New York [u.a.]: Newcomen Society in North America, 1970.
MLA-Zitierstil (9. Ausg.)Teague, Ellen C. Mount Washington Railway Company: World's First Cog Railway, Mount Washington, New Hampshire. Newcomen Society in North America, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.