APA引文

Jentgens, G. Archivmaterialien zu Gerhard Jentgens, 1888-.

芝加哥风格引文

Jentgens, Gerhard. Archivmaterialien Zu Gerhard Jentgens, 1888-.

MLA引文

Jentgens, Gerhard. Archivmaterialien Zu Gerhard Jentgens, 1888-.

警告:这些引文格式不一定是100%准确.