Cita APA (7a ed.)

Graff, D., & Williamson, T. (2002). Vagueness. Ashgate-Dartmouth.

Cita Chicago Style (17a ed.)

Graff, Delia, y Timothy Williamson. Vagueness. Aldershot [etc.]: Ashgate-Dartmouth, 2002.

Cita MLA (9a ed.)

Graff, Delia, y Timothy Williamson. Vagueness. Ashgate-Dartmouth, 2002.