APA (7th ed.) Citation

Archivio Segreto Vaticano, Museo Capitolino, Musei Capitolini, & Gonzato, A. (2012). Lux in Arcana: The Vatican Secret Archives reveals itself ; IV Centennial of the foundation of the Vatican Secret Archives ; [Capitoline Museums ... Rome, February 29 - Septembre 9, 2012]. Palombi.

Chicago Style (17th ed.) Citation

Archivio Segreto Vaticano, Museo Capitolino, Musei Capitolini, and Alessandra Gonzato. Lux in Arcana: The Vatican Secret Archives Reveals Itself ; IV Centennial of the Foundation of the Vatican Secret Archives ; [Capitoline Museums ... Rome, February 29 - Septembre 9, 2012]. Roma: Palombi, 2012.

MLA (9th ed.) Citation

Archivio Segreto Vaticano, et al. Lux in Arcana: The Vatican Secret Archives Reveals Itself ; IV Centennial of the Foundation of the Vatican Secret Archives ; [Capitoline Museums ... Rome, February 29 - Septembre 9, 2012]. Palombi, 2012.

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