Gaya APA

Villanueva, L, [. et al (2004). Progress in Pain Research and Management : The Pain System in Normal and Pathological States: A Primer for Clinicians . USA: IASP Press.

Gaya MLA

Villanueva, Luis, [Ed.]. et al. "Progress in Pain Research and Management : The Pain System in Normal and Pathological States: A Primer for Clinicians". USA: IASP Press, 2004. Text.