APA (7th ed.) Citation

Fisher, R., & Williams, M. (2006). Unlocking literacy (2nd ed.). David Fulton.

Chicago Style (17th ed.) Citation

Fisher, Robert, and Mary Williams. Unlocking Literacy. 2nd ed. London: David Fulton, 2006.

MLA (9th ed.) Citation

Fisher, Robert, and Mary Williams. Unlocking Literacy. 2nd ed. David Fulton, 2006.