APA (7th ed.) Citation

Roylance, P., & Preston, F. (1983). Traveller's first aid handbook. The Reader's Digest Association Limited.

Chicago Style (17th ed.) Citation

Roylance, Peter, and Frank Preston. Traveller's First Aid Handbook. Londres: The Reader's Digest Association Limited, 1983.

MLA (9th ed.) Citation

Roylance, Peter, and Frank Preston. Traveller's First Aid Handbook. The Reader's Digest Association Limited, 1983.