APA引文

Morton, H. T. (1965). Anti-friction bearings. s.n.

芝加哥风格引文

Morton, Hudson T. Anti-friction Bearings. Ann Arbor: s.n, 1965.

MLA引文

Morton, Hudson T. Anti-friction Bearings. s.n, 1965.

警告：这些引文格式不一定是100％准确.