Cita APA (7a ed.)

Cheli, R., & Berri, F. (1988). Gastric protection. Raven Press.

Cita Chicago Style (17a ed.)

Cheli, Rodolfo, y Francesco Berri. Gastric Protection. New York: Raven Press, 1988.

Cita MLA (9a ed.)

Cheli, Rodolfo, y Francesco Berri. Gastric Protection. Raven Press, 1988.