The enemy at the gate; a book of famous sieges, their causes, their progress and their consequences /
Reginald Hargreaves.

APA Citation

Hargreaves, R. (1948). The enemy at the gate; a book of famous sieges, their causes, their progress and their consequences. Harrisburg, Pa.: Military Service Pub. Co..

MLA Citation

Hargreaves, Reginald. The Enemy At the Gate; a Book of Famous Sieges, Their Causes, Their Progress And Their Consequences. Harrisburg, Pa.: Military Service Pub. Co., 1948.

Warning: These citations may not always be complete (especially for serials).