APA (7th ed.) Citation

Guarducci, M. (1977). Peter the rock on which the church is built: A visit to the excavations beneath the Vatican Basilica. Fabbrica di S. Pietro.

Chicago Style (17th ed.) Citation

Guarducci, Margherita. Peter the Rock on Which the Church Is Built: A Visit to the Excavations Beneath the Vatican Basilica. Vaticano: Fabbrica di S. Pietro, 1977.

MLA (9th ed.) Citation

Guarducci, Margherita. Peter the Rock on Which the Church Is Built: A Visit to the Excavations Beneath the Vatican Basilica. Fabbrica di S. Pietro, 1977.