Cita APA (7a ed.)

Stephens, M. (1997). Practise advanced writing. Longman.

Cita Chicago Style (17a ed.)

Stephens, Mary. Practise Advanced Writing. England: Longman, 1997.

Cita MLA (9a ed.)

Stephens, Mary. Practise Advanced Writing. Longman, 1997.

Precaución: Estas citas no son 100% exactas.