APA引文

Downing, T. (2015). Secret warriors: The spies, scientists and code breakers of World War I (First hardcover edition.). Pegasus Books.

Chicago Style (17th ed.) Citation

Downing, Taylor. Secret Warriors: The Spies, Scientists and Code Breakers of World War I. First hardcover edition. New York: Pegasus Books, 2015.

MLA引文

Downing, Taylor. Secret Warriors: The Spies, Scientists and Code Breakers of World War I. First hardcover edition. Pegasus Books, 2015.

警告：這些引文格式不一定是100％准確.