APA (7th ed.) Citation

Wrenn, A., & McAleavy, T. (1997). The First World War (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Wrenn, Andrew, and Tony McAleavy. The First World War. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1997.

MLA (9th ed.) Citation

Wrenn, Andrew, and Tony McAleavy. The First World War. 1. publ. Cambridge Univ. Press, 1997.