APA (7th ed.) Citation

Ambrosini, M. L., & Willis, M. (1969). The secret Archives of the Vatican. Little, Brown.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Ambrosini, Maria Luisa, and Mary Willis. The Secret Archives of the Vatican. Little, Brown, 1969.