Cita APA (7a ed.)
Blowers, A. J. (1987). The Essentials of first aid (4th ed.). [s.n.].
Cita Chicago Style (17a ed.)
Blowers, A. J. The Essentials of First Aid. 4th ed. Nairobi: [s.n.], 1987.
Cita MLA (9a ed.)
Blowers, A. J. The Essentials of First Aid. 4th ed. [s.n.], 1987.
Precaución: Estas citas no son 100% exactas.