Cita APA (7a ed.)

Waugh, D., & Bushell, T. (1998). Foundations (2. ed.). Thornes.

Cita Chicago Style (17a ed.)

Waugh, David, y Tony Bushell. Foundations. 2. ed. Cheltenham: Thornes, 1998.

Cita MLA (9a ed.)

Waugh, David, y Tony Bushell. Foundations. 2. ed. Thornes, 1998.