APA引文

Sullivan, G. (2007). Helen Keller: Her life in pictures. Scholastic Nonfiction.

Chicago Style (17th ed.) Citation

Sullivan, George. Helen Keller: Her Life in Pictures. New York: Scholastic Nonfiction, 2007.

MLA引文

Sullivan, George. Helen Keller: Her Life in Pictures. Scholastic Nonfiction, 2007.

警告：這些引文格式不一定是100％准確.