APA Style

Epstein, Sam, Epstein, Beryl. (1956). The first book of codes and ciphers . New York: Franklin Watts.

Chicago Style

Epstein, Sam, Epstein, Beryl. The first book of codes and ciphers. New York: Franklin Watts, 1956. Text.

MLA Style

Epstein, Sam, Epstein, Beryl. The first book of codes and ciphers. New York: Franklin Watts, 1956. Text.

Turabian Style

Epstein, Sam, Epstein, Beryl. The first book of codes and ciphers. New York: Franklin Watts, 1956. Print.