Cita APA (7a ed.)
Richards, B. Quick and Slow: Longman Integrated, Comprehension, and Composition Series. Longman.
Cita estilo Chicago (17a ed.)
Richards, Brian. Quick and Slow: Longman Integrated, Comprehension, and Composition Series. Londres, Inglaterra: Longman.
Cita MLA (9a ed.)
Richards, Brian. Quick and Slow: Longman Integrated, Comprehension, and Composition Series. Longman.
Precaución: Estas citas no son 100% exactas.