APA (7th ed.) Citation

Digregorio, G. J., Barbieri, E. J., Sterling, G. H., & Camp, J. F. (1991). Hand Book of pain Management. Medical Surveillance Inc.

Chicago Style (17th ed.) Citation

Digregorio, G. John, Edward J. Barbieri, Gerald H. Sterling, and John F. Camp. Hand Book of Pain Management. Est Chester: Medical Surveillance Inc, 1991.

MLA (9th ed.) Citation

Digregorio, G. John, et al. Hand Book of Pain Management. Medical Surveillance Inc, 1991.

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