Cita APA (7a ed.)

Swerdlow, M., & Ventafridda, V. (1987). Cancer pain. MTP Press.

Cita Chicago Style (17a ed.)

Swerdlow, Mark, y Vittorio Ventafridda. Cancer Pain. Lancaster ; Boston: MTP Press, 1987.

Cita MLA (8a ed.)

Swerdlow, Mark, y Vittorio Ventafridda. Cancer Pain. MTP Press, 1987.