Cita APA

Sage Publications (Beverly Hills, Calif.; London), & Sage Publications. (1974). Sage studies in 20th century history. Sage Publ.

Citación estilo Chicago

Sage Publications (Beverly Hills, Calif.; London), y Sage Publications. Sage Studies in 20th Century History. London [u.a.]: Sage Publ, 1974.

Cita MLA

Sage Publications (Beverly Hills, Calif.; London), y Sage Publications. Sage Studies in 20th Century History. Sage Publ, 1974.