APA引文

Lewis, C. S. (1989). A grief observed. Harper & Row.

Chicago Style (17th ed.) Citation

Lewis, C. S. A Grief Observed. San Francisco: Harper & Row, 1989.

MLA引文

Lewis, C. S. A Grief Observed. Harper & Row, 1989.

警告：這些引文格式不一定是100％准確.