APA (7th ed.) Citation

Say, S. (1956). An essay on the harmony, variety, and power of numbers (1745). William Andrews Clark Memorial Library, University of California.

Chicago Style (17th ed.) Citation

Say, Samuel. An Essay on the Harmony, Variety, and Power of Numbers (1745). Los Angeles: William Andrews Clark Memorial Library, University of California, 1956.

MLA (9th ed.) Citation

Say, Samuel. An Essay on the Harmony, Variety, and Power of Numbers (1745). William Andrews Clark Memorial Library, University of California, 1956.