Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (8th ed.)

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

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