APA (7th ed.) Citation

Goodluck, H. (1991). Language acquisition: A linguistic introduction. B. Blackwell.

Chicago Style (17th ed.) Citation

Goodluck, Helen. Language Acquisition: A Linguistic Introduction. Oxford, UK ; Cambridge, Mass., USA: B. Blackwell, 1991.

MLA (9th ed.) Citation

Goodluck, Helen. Language Acquisition: A Linguistic Introduction. B. Blackwell, 1991.