Cita APA

Churchill, R. S., & Gilbert, M. (1975). Winston S. Churchill: Vol.4 The stricken world, 1916 - 1922. Winston S. Churchill.

Citación estilo Chicago

Churchill, Randolph S., y Martin Gilbert. "Winston S. Churchill: Vol.4 The Stricken World, 1916 - 1922." Winston S. Churchill 1975.

Cita MLA

Churchill, Randolph S., y Martin Gilbert. "Winston S. Churchill: Vol.4 The Stricken World, 1916 - 1922." Winston S. Churchill, 1975.