Crowe, K. (2008). Zeppelins over Southend: The story of South East Essex in the First World War. Southend-on-Sea Museums Service.
Chicago-Zitierstil (17. Ausg.)Crowe, Ken. Zeppelins over Southend: The Story of South East Essex in the First World War. [Southend-on-Sea]: Southend-on-Sea Museums Service, 2008.
MLA-Zitierstil (9. Ausg.)Crowe, Ken. Zeppelins over Southend: The Story of South East Essex in the First World War. Southend-on-Sea Museums Service, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.