APA引文

(1997). Biological abstracts: Cumulative index. Philadelphia ( USA): BIOSIS.

Trích dẫn kiểu Chicago

Biological Abstracts: Cumulative Index. Philadelphia ( USA): BIOSIS, 1997.

MLA引文

Biological Abstracts: Cumulative Index. Philadelphia ( USA): BIOSIS, 1997.

警告：這些引文格式不一定是100％准確.