Cita APA (7a ed.)

Pumfrey, P. D., & Reason, R. (1992). Specific learning difficulties (Dyslexia): Challenges and responses. Routledge.

Cita Chicago Style (17a ed.)

Pumfrey, Peter D., y Rea Reason. Specific Learning Difficulties (Dyslexia): Challenges and Responses. London [etc.]: Routledge, 1992.

Cita MLA (9a ed.)

Pumfrey, Peter D., y Rea Reason. Specific Learning Difficulties (Dyslexia): Challenges and Responses. Routledge, 1992.