APA引文

Ehrig, R. (1992). Plastics recycling: : products and processes. Hanser.

Chicago Edition Citation

Ehrig, R.J. Plastics Recycling: : Products and Processes. Munich: Hanser, 1992.

MLA引文

Ehrig, R.J. Plastics Recycling: : Products and Processes. Hanser, 1992.

警告：這些引文格式不一定是100％准確.