Cita APA (7th ed.)

Vigor, P. H. (1971). Books on communism and the communist countries: A selected bibliography ([3rd ed.].). Ampersand.

Cita Chicago (17th ed.)

Vigor, P. H. Books on Communism and the Communist Countries: A Selected Bibliography. [3rd ed.]. London: Ampersand, 1971.

Cita MLA (8th ed.)

Vigor, P. H. Books on Communism and the Communist Countries: A Selected Bibliography. [3rd ed.]. Ampersand, 1971.