APA (7th ed.) Citation

Watson, R. An essay on the subjects of chemistry, and their general division. By R. Watson.

Chicago Style (17th ed.) Citation

Watson, Richard. An Essay on the Subjects of Chemistry, and Their General Division. By R. Watson.

MLA (9th ed.) Citation

Watson, Richard. An Essay on the Subjects of Chemistry, and Their General Division. By R. Watson.

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