Cita APA (7th ed.)

Moorehead, A., Areilza, J. M. d., & Sutherland, D. Churchill (1a. ed.). Salvat.

Cita Chicago (17th ed.)

Moorehead, Alan, José M. de Areilza, i Douglas Sutherland. Churchill. 1a. ed. Barcelona: Salvat.

Cita MLA (9th ed.)

Moorehead, Alan, et al. Churchill. 1a. ed. Salvat.