Loening, E. Archivmaterialien zu Edgar Loening, 1843-1919.
芝加哥风格引文Loening, Edgar. Archivmaterialien Zu Edgar Loening, 1843-1919.
MLA引文Loening, Edgar. Archivmaterialien Zu Edgar Loening, 1843-1919.
警告：这些引文格式不一定是100％准确.
APA引文