Cita APA

Palmer, A. (1988). The Penguin Dictionary of Twentieth-Century History: [1900-1982] (2nd ed., 4th reprinted.). London [etc.]: Penguin Books.

Citación estilo Chicago

Palmer, Alan. The Penguin Dictionary of Twentieth-Century History: [1900-1982]. 2nd ed., 4th reprinted. London [etc.]: Penguin Books, 1988.

Cita MLA

Palmer, Alan. The Penguin Dictionary of Twentieth-Century History: [1900-1982]. 2nd ed., 4th reprinted. London [etc.]: Penguin Books, 1988.