Cita APA (7a ed.)

Cole, G. D. H. (1956). The second international: 1889-1914. MacMillan and Co.

Cita Chicago Style (17a ed.)

Cole, G. D. H. The Second International: 1889-1914. London [etc.]: MacMillan and Co, 1956.

Cita MLA (9a ed.)

Cole, G. D. H. The Second International: 1889-1914. MacMillan and Co, 1956.