Cita APA (7th ed.)

Lockhart, R. H. (1967). The two revolutions: An eye witness study of Russia 1917. The Bodley Head.

Cita Chicago (17th ed.)

Lockhart, R. H. The Two Revolutions: An Eye Witness Study of Russia 1917. Londres: The Bodley Head, 1967.

Cita MLA (9th ed.)

Lockhart, R. H. The Two Revolutions: An Eye Witness Study of Russia 1917. The Bodley Head, 1967.