APA (7th ed.) Citation

Graddol, D. (1992). Gender voices. B. Blackwell.

Chicago Style (17th ed.) Citation

Graddol, David. Gender Voices. Oxford, UK ; New York, N.Y: B. Blackwell, 1992.

MLA (9th ed.) Citation

Graddol, David. Gender Voices. B. Blackwell, 1992.