Cita APA (7a ed.)

Baumber, J., Renwick, M., & Higginbottom, T. (1985). Contrasts (1. publ., 2. impression.). Nelson Harrap.

Cita Chicago Style (17a ed.)

Baumber, John, Malcom Renwick, y Trevor Higginbottom. Contrasts. 1. publ., 2. impression. Walton-on-Thames: Nelson Harrap, 1985.

Cita MLA (9a ed.)

Baumber, John, et al. Contrasts. 1. publ., 2. impression. Nelson Harrap, 1985.