APA (7th ed.) Citation

Wallmark, L., & Smart, B. (2021). Code breaker, spy hunter: How Elizebeth Friedman changed the course of two world wars. Abrams Books for Young Readers.

Chicago Style (17th ed.) Citation

Wallmark, Laurie, and Brooke Smart. Code Breaker, Spy Hunter: How Elizebeth Friedman Changed the Course of Two World Wars. New York: Abrams Books for Young Readers, 2021.

MLA (8th ed.) Citation

Wallmark, Laurie, and Brooke Smart. Code Breaker, Spy Hunter: How Elizebeth Friedman Changed the Course of Two World Wars. Abrams Books for Young Readers, 2021.

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