APA (7th ed.) Citation

Settle, T. B. (1983). Antonio Santucci, his "new tractatus on comets", and Galileo.

Chicago Style (17th ed.) Citation

Settle, Thomas B. Antonio Santucci, His "New Tractatus on Comets", and Galileo. 1983.

MLA (9th ed.) Citation

Settle, Thomas B. Antonio Santucci, His "New Tractatus on Comets", and Galileo. 1983.

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