Cita APA

Purdue, A. W. (2015). the first world war. Palgrave.

Citación estilo Chicago

Purdue, A W. The First World War. London: Palgrave, 2015.

Cita MLA

Purdue, A W. The First World War. Palgrave, 2015.

Warning: These citations may not always be 100% accurate.