Magnetic observation of sunspots, 1917-1924
[by] George E. Hale [and] Seth B. Nicholson
APA Citation
Hale, G. Ellery., Nicholson, S. Barnes. (1938). Magnetic observation of sunspots, 1917-1924. Washington, D. C.: Carnegie institution of Washington.
MLA Citation
Hale, George Ellery, 1868-1938, and Seth Barnes Nicholson. Magnetic Observation of Sunspots, 1917-1924. Washington, D. C.: Carnegie institution of Washington, 1938.
Warning: These citations may not always be complete (especially for serials).