APA (7th ed.) Citation

Armstrong, J., Green, J., & Russell, J. (1757). The art of preserving health: A poem. By John Armstrong, M.D (The fourth edition.).

Chicago Style (17th ed.) Citation

Armstrong, John, John Green, and Joseph Russell. The Art of Preserving Health: A Poem. By John Armstrong, M.D. The fourth edition. 1757.

MLA (9th ed.) Citation

Armstrong, John, et al. The Art of Preserving Health: A Poem. By John Armstrong, M.D. The fourth edition. 1757.