Singer, P. Archivmaterialien zu Peter Singer, 1810-1882.
Chicago Style (17th ed.) CitationSinger, Peter. Archivmaterialien Zu Peter Singer, 1810-1882.
MLA引文Singer, Peter. Archivmaterialien Zu Peter Singer, 1810-1882.
警告：這些引文格式不一定是100％准確.
APA引文
