APA引文

Schwank, B. (2014). Catania, Ätna, Hauptkrater, Luftaufnahme: = Catania, Etna, main crater, aerial view. Images of the Biblical world online.

Chicago Style (17th ed.) Citation

Schwank, Benedikt. "Catania, Ätna, Hauptkrater, Luftaufnahme: = Catania, Etna, Main Crater, Aerial View." Images of the Biblical World Online 2014.

MLA引文

Schwank, Benedikt. "Catania, Ätna, Hauptkrater, Luftaufnahme: = Catania, Etna, Main Crater, Aerial View." Images of the Biblical World Online, 2014.

警告：這些引文格式不一定是100％准確.