APA (7th ed.) Citation

McFarland, W. N. (1925). Magnetic declination in Missouri in 1925. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

McFarland, W. N. Magnetic Declination in Missouri in 1925. [Washington?]: U.S. Government Printing Office, 1925.

MLA (9th ed.) Citation

McFarland, W. N. Magnetic Declination in Missouri in 1925. U.S. Government Printing Office, 1925.