Bryson, B. (1990). The mother tongue: English & how it got that way. Avon.
Cita Chicago Style (17a ed.)Bryson, Bill. The Mother Tongue: English & How It Got That Way. New York: Avon, 1990.
Cita MLA (9a ed.)Bryson, Bill. The Mother Tongue: English & How It Got That Way. Avon, 1990.
Precaución: Estas citas no son 100% exactas.