APA (7th ed.) Citation

Schomaker, M. C., & Berry, R. M. (1981). Geodetic leveling. National Geodetic Survey.

Chicago Style (17th ed.) Citation

Schomaker, M. C., and Ralph M. Berry. Geodetic Leveling. Rockville, Md: National Geodetic Survey, 1981.

MLA (9th ed.) Citation

Schomaker, M. C., and Ralph M. Berry. Geodetic Leveling. National Geodetic Survey, 1981.

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