Cita APA

Saul, N. E. (2006). Friends or foes?: The United States and Soviet Russia, 1921 - 1941. Univ. Press of Kansas.

Citación estilo Chicago

Saul, Norman E. Friends or Foes?: The United States and Soviet Russia, 1921 - 1941. Lawrence, Kan: Univ. Press of Kansas, 2006.

Cita MLA

Saul, Norman E. Friends or Foes?: The United States and Soviet Russia, 1921 - 1941. Univ. Press of Kansas, 2006.