APA (7th ed.) Citation

Frattini, E. (2010). The entity: : five centuries of secret vatican espionage (1st publ.). JR Books.

Chicago Style (17th ed.) Citation

Frattini, Eric. The Entity: : Five Centuries of Secret Vatican Espionage. 1st publ. London: JR Books, 2010.

MLA (9th ed.) Citation

Frattini, Eric. The Entity: : Five Centuries of Secret Vatican Espionage. 1st publ. JR Books, 2010.

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