APA (7th ed.) Citation
Stetson, H. T. (1947). Sunspots in action. Ronald Press Co.
Chicago Style (17th ed.) Citation
Stetson, Harlan True. Sunspots in Action. New York: Ronald Press Co, 1947.
MLA (9th ed.) Citation
Stetson, Harlan True. Sunspots in Action. Ronald Press Co, 1947.
Warning: These citations may not always be 100% accurate.