Grotewold, C. 1. Archivmaterialien zu Christian Grotewold, 1873-19XX.
芝加哥风格引文Grotewold, Christian 1873-19XX. Archivmaterialien Zu Christian Grotewold, 1873-19XX.
MLA引文Grotewold, Christian 1873-19XX. Archivmaterialien Zu Christian Grotewold, 1873-19XX.
警告：这些引文格式不一定是100％准确.
