Magnetic Declination in the United States for January 1, 1920. By D. L. Hazard.

MLA

Fisk, H. W. “Magnetic Declination in the United States for January 1, 1920. By D. L. Hazard.” Science, vol. 58, no. 1494, Aug. 1923, pp. 123–24. EBSCOhost, https://doi.org/10.1126/science.58.1494.123.

APA

Fisk, H. W. (1923). Magnetic Declination in the United States for January 1, 1920. By D. L. Hazard. Science, 58(1494), 123–124. https://doi.org/10.1126/science.58.1494.123

Chicago

Fisk, H. W. 1923. “Magnetic Declination in the United States for January 1, 1920. By D. L. Hazard.” Science 58 (1494): 123–24. doi:10.1126/science.58.1494.123.