APA (7th ed.) Citation

Topper, D. (1999). Galileo, sunspots, and the motions of the earth: Redux.

Chicago Style (17th ed.) Citation

Topper, David. Galileo, Sunspots, and the Motions of the Earth: Redux. 1999.

MLA (9th ed.) Citation

Topper, David. Galileo, Sunspots, and the Motions of the Earth: Redux. 1999.

Warning: These citations may not always be 100% accurate.