De Giorgio, C., Freller, T., & Cilia, D. (2010). Die Johannes-Kathedrale, Valletta, Malta (Erstauflage.). Heritage Books.
Chicago Style (17th ed.) CitationDe Giorgio, Cynthia, Thomas Freller, and Daniel Cilia. Die Johannes-Kathedrale, Valletta, Malta. Erstauflage. [Valletta, Malta]: Heritage Books, 2010.
MLA (9th ed.) CitationDe Giorgio, Cynthia, et al. Die Johannes-Kathedrale, Valletta, Malta. Erstauflage. Heritage Books, 2010.
Warning: These citations may not always be 100% accurate.