APA aipamena

Griffin, W. E. B., & Butterworth, W. E. (2007). The double agents. G.P. Putnam's Sons.

Chicago Style aipamena

Griffin, W. E. B., and William E. Butterworth. The Double Agents. New York: G.P. Putnam's Sons, 2007.

MLA aipamena

Griffin, W. E. B., and William E. Butterworth. The Double Agents. G.P. Putnam's Sons, 2007.