APA (7th ed.) Citation

Hobley, L. F. (1971). The first world war. Blackie.

Chicago Style (17th ed.) Citation

Hobley, Leonard F. The First World War. Glasgow: Blackie, 1971.

MLA (9th ed.) Citation

Hobley, Leonard F. The First World War. Blackie, 1971.

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