APA引文

(1981). Seed technology conference: Proceedings of the fourth annual 1981. Iowa: Seed Science Center, Iowa State University.

Trích dẫn kiểu Chicago

Seed Technology Conference: Proceedings of the Fourth Annual 1981. Iowa: Seed Science Center, Iowa State University, 1981.

MLA引文

Seed Technology Conference: Proceedings of the Fourth Annual 1981. Iowa: Seed Science Center, Iowa State University, 1981.

警告：这些引文格式不一定是100％准确.