APA引文

Varner, W. W. (1957). Computing with desk calculators. Rinehart.

芝加哥风格引文

Varner, Walter W. Computing with Desk Calculators. New York: Rinehart, 1957.

MLA引文

Varner, Walter W. Computing with Desk Calculators. Rinehart, 1957.

警告：这些引文格式不一定是100％准确.