Cita APA (7th ed.)

Heaton, H., & Johnson, A. (1948). Socialism in Western Europa. New York: Foreign Policy Association.

Cita Chicago (17th ed.)

Heaton, Herbert, i Alvin Johnson. Socialism in Western Europa. New York: Foreign Policy Association, 1948.

Cita MLA (8th ed.)

Heaton, Herbert, i Alvin Johnson. Socialism in Western Europa. New York: Foreign Policy Association, 1948.