APA citiranje

Nicholl, J. P., Brazier, J. E., & Snooks, H. A. (1995). Effects of London helicopter emergency medical service on survival after trauma. BMJ Group.

Citação norma Chicago

Nicholl, J. P., J. E. Brazier, and H. A. Snooks. Effects of London Helicopter Emergency Medical Service On Survival After Trauma. BMJ Group, 1995.

MLA citiranje

Nicholl, J. P., J. E. Brazier, and H. A. Snooks. Effects of London Helicopter Emergency Medical Service On Survival After Trauma. BMJ Group, 1995.