Cita APA (7a ed.)

Eastman, M. (1928). The European coal crisis: 1926-1927. International Labour Organization.

Cita Chicago Style (17a ed.)

Eastman, Mack. The European Coal Crisis: 1926-1927. International Labour Organization, 1928.

Cita MLA (9a ed.)

Eastman, Mack. The European Coal Crisis: 1926-1927. International Labour Organization, 1928.