Cita APA

Douglas, J. R., Campbell, C. A., Salisbury, D. M., Walker-Smith, J. A., & Williams, C. B. (1980). Colonoscopic polypectomy in children.

Chicago Style Citation

Douglas, J R., C A. Campbell, D M. Salisbury, J A. Walker-Smith, i C B. Williams. Colonoscopic Polypectomy in Children. 1980.

Cita MLA

Douglas, J R., et al. Colonoscopic Polypectomy in Children. 1980.