APA (7th ed.) Citation

Hartley, D. Observations on man, his frame, his duty, and his expectations. Garland.

Chicago Style (17th ed.) Citation

Hartley, David. Observations on Man, His Frame, His Duty, and His Expectations. New York: Garland.

MLA (9th ed.) Citation

Hartley, David. Observations on Man, His Frame, His Duty, and His Expectations. Garland.

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