APA引文

Havinga, A., & Langer, N. (2015). Invisible languages in the nineteenth century. Peter Lang.

芝加哥风格引文

Havinga, Anna, 与 Nils Langer. Invisible Languages in the Nineteenth Century. Oxford, [England]: Peter Lang, 2015.

MLA引文

Havinga, Anna, 与 Nils Langer. Invisible Languages in the Nineteenth Century. Peter Lang, 2015.

警告：这些引文格式不一定是100％准确.