APA (7th ed.) Citation

St John Ambulance, St Andrew's First Aid, & British Red Cross Society. (1992). First aid manual (6th.). Dorling Kindersley.

Chicago Style (17th ed.) Citation

St John Ambulance, St Andrew's First Aid, and British Red Cross Society. First Aid Manual. 6th. London: Dorling Kindersley, 1992.

MLA (9th ed.) Citation

St John Ambulance, et al. First Aid Manual. 6th. Dorling Kindersley, 1992.