APA (7th ed.) Citation

Horowitz, A. (2020). Secret weapon: Seven untold adventures from the life of a teenaged spy (American edition.). Puffin Books.

Chicago Style (17th ed.) Citation

Horowitz, Anthony. Secret Weapon: Seven Untold Adventures from the Life of a Teenaged Spy. American edition. New York: Puffin Books, 2020.

MLA (8th ed.) Citation

Horowitz, Anthony. Secret Weapon: Seven Untold Adventures from the Life of a Teenaged Spy. American edition. Puffin Books, 2020.

Warning: These citations may not always be 100% accurate.