APA (7th ed.) Citation

Jahns, R. H. (1953). Surficial geology of the Ayer quadrangle, Massachusetts. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Jahns, Richard H. Surficial Geology of the Ayer Quadrangle, Massachusetts. Washington, D.C.: U.S. Geological Survey, 1953.

MLA (9th ed.) Citation

Jahns, Richard H. Surficial Geology of the Ayer Quadrangle, Massachusetts. U.S. Geological Survey, 1953.

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