APA (7th ed.) Citation

Dougill, P. (1993). The primary language book (2nd ed.). Open University Press.

Chicago Style (17th ed.) Citation

Dougill, Peter. The Primary Language Book. 2nd ed. Buckingham ; Philadelphia: Open University Press, 1993.

MLA (9th ed.) Citation

Dougill, Peter. The Primary Language Book. 2nd ed. Open University Press, 1993.