APA (7th ed.) Citation

Porterfield, J. A. (2003). Mechanical shoulder disorders. W.B. Saunders.

Chicago Style (17th ed.) Citation

Porterfield, James A. Mechanical Shoulder Disorders. Philadelphia, Pa: W.B. Saunders, 2003.

MLA (9th ed.) Citation

Porterfield, James A. Mechanical Shoulder Disorders. W.B. Saunders, 2003.

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