Schwank, B. (2014). Petra, Stadtzentrum, Felsobelisken: = Petra, city center, rock obelisk. Images of the Biblical world online.
Chicago Style (17th ed.) CitationSchwank, Benedikt. "Petra, Stadtzentrum, Felsobelisken: = Petra, City Center, Rock Obelisk." Images of the Biblical World Online 2014.
MLA (9th ed.) CitationSchwank, Benedikt. "Petra, Stadtzentrum, Felsobelisken: = Petra, City Center, Rock Obelisk." Images of the Biblical World Online, 2014.
Warning: These citations may not always be 100% accurate.