APA (7th ed.) Citation

Playfair, W. S., & Harris, R. P. (1880). A treatise on the science and practice of midwifery (3d American ed.). H. C. Lea.

Chicago Style (17th ed.) Citation

Playfair, W. S., and Robert Patterson Harris. A Treatise on the Science and Practice of Midwifery. 3d American ed. Philadelphia: H. C. Lea, 1880.

MLA (8th ed.) Citation

Playfair, W. S., and Robert Patterson Harris. A Treatise on the Science and Practice of Midwifery. 3d American ed. H. C. Lea, 1880.