APA (7th ed.) Citation

Walter, C. (1982). Authentic reading: A course in reading skills for upper-intermediate students. Cambridge University.

Chicago Style (17th ed.) Citation

Walter, Catherine. Authentic Reading: A Course in Reading Skills for Upper-intermediate Students. Nueva York: Cambridge University, 1982.

MLA (9th ed.) Citation

Walter, Catherine. Authentic Reading: A Course in Reading Skills for Upper-intermediate Students. Cambridge University, 1982.