APA (7th ed.) Citation

Clearwater Books (Firm) & Clarke, S. F. (1998). The Great War. Clearwater Books.

Chicago Style (17th ed.) Citation

Clearwater Books (Firm) and Stephen Francis Clarke. The Great War. Shipton Gorge, Bridport, Dorset: Clearwater Books, 1998.

MLA (9th ed.) Citation

Clearwater Books (Firm) and Stephen Francis Clarke. The Great War. Clearwater Books, 1998.