APA
Alexander R. H., Proctor H. J. & American College of Surgeons. (1993). Advanced trauma life support program for physicians :ATLS. Chicago, IL: American College of Surgeons.
Chicago
Alexander Raymond H, Proctor Herbert J and American College of Surgeons. 1993. Advanced trauma life support program for physicians :ATLS. Chicago, IL: American College of Surgeons.
Harvard
Alexander R. H., Proctor H. J. and American College of Surgeons. (1993). Advanced trauma life support program for physicians :ATLS. Chicago, IL: American College of Surgeons.
MLA
Alexander Raymond H, Proctor Herbert J and American College of Surgeons. Advanced trauma life support program for physicians :ATLS. Chicago, IL: American College of Surgeons. 1993.