APA (7th ed.) Citation

Hamilton, W. Observations on Mount Vesuvius, Mount Etna, and Other Volcanos.

Chicago Style (17th ed.) Citation

Hamilton, William. Observations on Mount Vesuvius, Mount Etna, and Other Volcanos.

MLA (9th ed.) Citation

Hamilton, William. Observations on Mount Vesuvius, Mount Etna, and Other Volcanos.

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