APA (7th ed.) Citation

Ambrosini, M. L., & Willis, M. (1969). The Secret Archives of the Vatican ([1st ed.].). Little, Brown.

Chicago Style (17th ed.) Citation

Ambrosini, Maria Luisa, and Mary Willis. The Secret Archives of the Vatican. [1st ed.]. Boston: Little, Brown, 1969.

MLA (8th ed.) Citation

Ambrosini, Maria Luisa, and Mary Willis. The Secret Archives of the Vatican. [1st ed.]. Little, Brown, 1969.