APA (7th ed.) Citation

St. John Ambulance. (1983). First Aid Safety Oriented (primera edición.). St. John Ambulance.

Chicago Style (17th ed.) Citation

St. John Ambulance. First Aid Safety Oriented. primera edición. Ottawa, Canada: St. John Ambulance, 1983.

MLA (9th ed.) Citation

St. John Ambulance. First Aid Safety Oriented. primera edición. St. John Ambulance, 1983.

Warning: These citations may not always be 100% accurate.