Cita APA

Sthephens, D., & Smith, E. D. (1988). Anorectal malformations in children: Update 1988. New York, New York: A R Liss.

Citación estilo Chicago

Sthephens, Douglas, y E. Durham Smith. Anorectal Malformations in Children: Update 1988. New York, New York: A R Liss, 1988.

Cita MLA

Sthephens, Douglas, y E. Durham Smith. Anorectal Malformations in Children: Update 1988. New York, New York: A R Liss, 1988.