APA (7th ed.) Citation

Rush, B. (1794). An account the yellow fever as it appeared in Philadelphia in 1793 ([2nd ed.?].).

Chicago Style (17th ed.) Citation

Rush, Benjamin. An Account the Yellow Fever as It Appeared in Philadelphia in 1793. [2nd ed.?]. [Philadelphia], 1794.

MLA (9th ed.) Citation

Rush, Benjamin. An Account the Yellow Fever as It Appeared in Philadelphia in 1793. [2nd ed.?]. 1794.

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