APA (7th ed.) Citation

Graddol, D., & Swann, J. (1989). Gender voices (1. publ.). Blackwell.

Chicago Style (17th ed.) Citation

Graddol, David, and Joan Swann. Gender Voices. 1. publ. Oxford [u.a.]: Blackwell, 1989.

MLA (9th ed.) Citation

Graddol, David, and Joan Swann. Gender Voices. 1. publ. Blackwell, 1989.