Cita APA

Cole, G. D. H. 1., & Cole, G. D. H. 1. (1956). The Second international, 1889-1914. London, Sydney: Macmillan.

Citación estilo Chicago

Cole, George Douglas Howard 1889-1959, y George Douglas Howard 1889-1959 Cole. The Second International, 1889-1914. London, Sydney: Macmillan, 1956.

Cita MLA

Cole, George Douglas Howard 1889-1959, y George Douglas Howard 1889-1959 Cole. The Second International, 1889-1914. London, Sydney: Macmillan, 1956.