Cita APA (7a ed.)

Marta, H., Chavarría, O., & Falco de Torres, E. (1979). Radiological study of anorectal malformations.

Cita Chicago Style (17a ed.)

Marta, Hernán, Oscar Chavarría, y Editta Falco de Torres. Radiological Study of Anorectal Malformations. 1979.

Cita MLA (9a ed.)

Marta, Hernán, et al. Radiological Study of Anorectal Malformations. 1979.