Spurgeon, D. (2006). FDA regulations make it harder to sue drug companies. BMJ Group.
Citación estilo ChicagoSpurgeon, David. FDA Regulations Make It Harder to Sue Drug Companies. BMJ Group, 2006.
Cita MLASpurgeon, David. FDA Regulations Make It Harder to Sue Drug Companies. BMJ Group, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.