APA (7th ed.) Citation

Geological Survey (U.S.). (1937). Spirit leveling in Massachusetts, 1922-35. [s.n.].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Spirit Leveling in Massachusetts, 1922-35. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

Geological Survey (U.S.). Spirit Leveling in Massachusetts, 1922-35. [s.n.], 1937.

Warning: These citations may not always be 100% accurate.