APA引文

Ruelle, K. G. (2020). Surprising spies: And unexpected heroes of World War II (First edition.). Holiday House.

Chicago Style (17th ed.) Citation

Ruelle, Karen Gray. Surprising Spies: And Unexpected Heroes of World War II. First edition. New York: Holiday House, 2020.

MLA引文

Ruelle, Karen Gray. Surprising Spies: And Unexpected Heroes of World War II. First edition. Holiday House, 2020.

警告：這些引文格式不一定是100％准確.