Cita APA (7a ed.)

Davies, A., & Billson, A. L. (1994). Key topics in paediatrics. BIOS Scientific Pub.

Cita Chicago Style (17a ed.)

Davies, A.E.M, y A. L. Billson. Key Topics in Paediatrics. Oxford: BIOS Scientific Pub, 1994.

Cita MLA (9a ed.)

Davies, A.E.M, y A. L. Billson. Key Topics in Paediatrics. BIOS Scientific Pub, 1994.