Zimmern, H. (1889). The Hansa towns. Unwin.
芝加哥风格引文Zimmern, Helen. The Hansa Towns. London: Unwin, 1889.
MLA引文Zimmern, Helen. The Hansa Towns. Unwin, 1889.
警告：这些引文格式不一定是100％准确.
APA引文
Zimmern, H. (1889). The Hansa towns. Unwin.
芝加哥风格引文Zimmern, Helen. The Hansa Towns. London: Unwin, 1889.
MLA引文Zimmern, Helen. The Hansa Towns. Unwin, 1889.