APA引文

Alan Richards. (1998). Birds of grey: Hunters of the sky. Philadelphia, Pennsylvania: Courage Books.

Trích dẫn kiểu Chicago

Alan Richards. Birds of Grey: Hunters of the Sky. Philadelphia, Pennsylvania: Courage Books, 1998.

MLA引文

Alan Richards. Birds of Grey: Hunters of the Sky. Philadelphia, Pennsylvania: Courage Books, 1998.

警告：这些引文格式不一定是100％准确.