APA引文

Shippen, J. M. (1973). Basic farm machinery (2.). Pergamon Press.

Chicago Edition Citation

Shippen, J M. Basic Farm Machinery. 2. Oxford: Pergamon Press, 1973.

MLA引文

Shippen, J M. Basic Farm Machinery. 2. Pergamon Press, 1973.

警告：這些引文格式不一定是100％准確.