APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Dougill, Peter. The Primary Language Book. 2. ed. Buckingham u.a: Open Univ. Press, 1993.

MLA (9th ed.) Citation

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