Παραπομπή σε μορφή APA (7η εκδ.)

Playfair, W. S. (1876). A treatise on the science and practice of midwifery. Henry C. Lea.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Playfair, William Smoult. A Treatise on the Science and Practice of Midwifery. Philadelphia: Henry C. Lea, 1876.

Παραπομπή σε μορφή MLA (8th εκδ.)

Playfair, William Smoult. A Treatise on the Science and Practice of Midwifery. Henry C. Lea, 1876.