Methods & results.
Directions for measurement of terrestrial magnetism.

APA Citation

U.S. Coast and Geodetic Survey. (1882). Methods & results: Directions for measurement of terrestrial magnetism. 3d ed... Washington: Govt. print. off..

MLA Citation

U.S. Coast and Geodetic Survey. Methods & Results: Directions for Measurement of Terrestrial Magnetism. 3d ed... Washington: Govt. print. off., 1882.

Warning: These citations may not always be complete (especially for serials).