APA引文

Lopez, R. H. (1970). The ethylene-producing industry: Its growth and regional distribution in the United States. New York: Praeger Publishers.

Trích dẫn kiểu Chicago

Lopez, Raymond Henry. The Ethylene-producing Industry: Its Growth and Regional Distribution in the United States. New York: Praeger Publishers, 1970.

MLA引文

Lopez, Raymond Henry. The Ethylene-producing Industry: Its Growth and Regional Distribution in the United States. New York: Praeger Publishers, 1970.

警告：这些引文格式不一定是100％准确.