APA (7th ed.) Citation

the Center for Cryptologic History, E. (2006). The Friedman Legacy: A Tribute to William and Elizebeth Friedman. Center for Cryptologic History, NSA.

Chicago Style (17th ed.) Citation

the Center for Cryptologic History, Edited. The Friedman Legacy: A Tribute to William and Elizebeth Friedman. Center for Cryptologic History, NSA, 2006.

MLA (9th ed.) Citation

the Center for Cryptologic History, Edited. The Friedman Legacy: A Tribute to William and Elizebeth Friedman. Center for Cryptologic History, NSA, 2006.

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