APA (7th ed.) Citation

Schwank, B. (2014). Petra, Gipfel, Schlüssel am Eingang: = Petra, summit, key at the entrance. Images of the Biblical world online.

Chicago Style (17th ed.) Citation

Schwank, Benedikt. "Petra, Gipfel, Schlüssel Am Eingang: = Petra, Summit, Key at the Entrance." Images of the Biblical World Online 2014.

MLA (9th ed.) Citation

Schwank, Benedikt. "Petra, Gipfel, Schlüssel Am Eingang: = Petra, Summit, Key at the Entrance." Images of the Biblical World Online, 2014.

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