APA (7th ed.) Citation

Grossmith Mason, A., & Grossmith Deltrice, J. (2013). Arctic warriors: A personal account of convoy PQ18. Pen & Sword Maritime.

Chicago Style (17th ed.) Citation

Grossmith Mason, Alfred, and Julie Grossmith Deltrice. Arctic Warriors: A Personal Account of Convoy PQ18. Barnsley, England: Pen & Sword Maritime, 2013.

MLA (9th ed.) Citation

Grossmith Mason, Alfred, and Julie Grossmith Deltrice. Arctic Warriors: A Personal Account of Convoy PQ18. Pen & Sword Maritime, 2013.

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