Cita APA (7a ed.)
World Federation for Ultrasound in Medicine and Biology. Ultrasound in medicine & biology. Elsevier.
Cita Chicago Style (17a ed.)
World Federation for Ultrasound in Medicine and Biology. Ultrasound in Medicine & Biology. New York: Elsevier.
Cita MLA (9a ed.)
World Federation for Ultrasound in Medicine and Biology. Ultrasound in Medicine & Biology. Elsevier.
Precaución: Estas citas no son 100% exactas.