Cita APA (7th ed.)

Douglas, S., & Durham, S. (1988). Anorectal malformations in children update 1988. Alan R. Liss.

Cita Chicago (17th ed.)

Douglas, Stephens, i Smith Durham. Anorectal Malformations in Children Update 1988. New York: Alan R. Liss, 1988.

Cita MLA (9th ed.)

Douglas, Stephens, i Smith Durham. Anorectal Malformations in Children Update 1988. Alan R. Liss, 1988.