APA引文

Towart, R. (1973). Proceedings: A simple, low-cost freeze-drier.

Citação norma Chicago

Towart, R. Proceedings: A Simple, Low-cost Freeze-drier. 1973.

MLA引文

Towart, R. Proceedings: A Simple, Low-cost Freeze-drier. 1973.

警告：這些引文格式不一定是100％准確.