APA (7th ed.) Citation

Caraceni, A., & Portenoy, R. K. (1999). An international survey of cancer pain characteristics and syndromes. [s.n.].

Chicago Style (17th ed.) Citation

Caraceni, Augusto, and Russell K. Portenoy. An International Survey of Cancer Pain Characteristics and Syndromes. [S.l.]: [s.n.], 1999.

MLA (9th ed.) Citation

Caraceni, Augusto, and Russell K. Portenoy. An International Survey of Cancer Pain Characteristics and Syndromes. [s.n.], 1999.