APA引文

Lewis, C. S. (1991). The four loves. Harcourt Brace.

Chicago Style (17th ed.) Citation

Lewis, C. S. The Four Loves. New York: Harcourt Brace, 1991.

MLA引文

Lewis, C. S. The Four Loves. Harcourt Brace, 1991.

警告：這些引文格式不一定是100％准確.