APA引文
St. John Ambulance. (1987). Emergency first aid. St.John Ambulance.
Chicago Style (17th ed.) Citation
St. John Ambulance. Emergency First Aid. Ottawa: St.John Ambulance, 1987.
MLA引文
St. John Ambulance. Emergency First Aid. St.John Ambulance, 1987.
警告：這些引文格式不一定是100％准確.