Adolph Frederic. Archivmaterialien zu Adolph Frederic (Cambridge, Herzog), 1774-1850.
芝加哥风格引文Adolph Frederic. Archivmaterialien Zu Adolph Frederic (Cambridge, Herzog), 1774-1850.
MLA引文Adolph Frederic. Archivmaterialien Zu Adolph Frederic (Cambridge, Herzog), 1774-1850.
警告：这些引文格式不一定是100％准确.