APA引文

Hughes, T. (1889). David Livingstone. Macmillan and co.

芝加哥风格引文

Hughes, Thomas. David Livingstone. London and New York: Macmillan and co, 1889.

MLA引文

Hughes, Thomas. David Livingstone. Macmillan and co, 1889.

警告：这些引文格式不一定是100％准确.