APA引文

Herrmann, D. (1998). Helen Keller: A life (First edition.). A. Knopf.

Chicago Style (17th ed.) Citation

Herrmann, Dorothy. Helen Keller: A Life. First edition. New York: A. Knopf, 1998.

MLA引文

Herrmann, Dorothy. Helen Keller: A Life. First edition. A. Knopf, 1998.

警告：這些引文格式不一定是100％准確.