Cita APA (7a ed.)

Turnbull, D., Turnbull, D., & Ferran, J. (1995). Tony Fretton. [s.n.].

Cita Chicago Style (17a ed.)

Turnbull, David, David Turnbull, y J.M Ferran. Tony Fretton. [S.l.]: [s.n.], 1995.

Cita MLA (9a ed.)

Turnbull, David, et al. Tony Fretton. [s.n.], 1995.