APA (7th ed.) Citation

Pritchard, J. A., & Macdonald, P. C. Williams obstetricia (2a ed.).

Chicago Style (17th ed.) Citation

Pritchard, Jack A., and Paul C. Macdonald. Williams Obstetricia. 2a ed.

MLA (8th ed.) Citation

Pritchard, Jack A., and Paul C. Macdonald. Williams Obstetricia. 2a ed.

Warning: These citations may not always be 100% accurate.