APA (7th ed.) Citation

Eastman, N., & Hellman, L. M. (1961). Williams Obstetrics.

Chicago Style (17th ed.) Citation

Eastman, Nicholson, and Louis M. Hellman. Williams Obstetrics. 1961.

MLA (9th ed.) Citation

Eastman, Nicholson, and Louis M. Hellman. Williams Obstetrics. 1961.

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