Lutkin, P. C. Archivmaterialien zu Peter Christian Lutkin, 1858-1931.
芝加哥风格引文Lutkin, Peter Christian. Archivmaterialien Zu Peter Christian Lutkin, 1858-1931.
MLA引文Lutkin, Peter Christian. Archivmaterialien Zu Peter Christian Lutkin, 1858-1931.
警告：这些引文格式不一定是100％准确.