APA引文

Haggard, H. W. (1962). The doctor in history. Barnes & Noble.

芝加哥风格引文

Haggard, Howard Wilcox. The Doctor in History. New York: Barnes & Noble, 1962.

MLA引文

Haggard, Howard Wilcox. The Doctor in History. Barnes & Noble, 1962.

警告：这些引文格式不一定是100％准确.