Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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