Gregory XV, P., & Butter, N. (1623). The Pope's letter to the Prince in Latine, Spanish, and English done according to the Latine and Spanish coppies printed at Madrid. A Jesuites oration to the Prince, in Latine and English. Printed for Nathaniell Butter.
Cita Chicago Style (17a ed.)Gregory XV, Pope, y Nathaniel Butter. The Pope's Letter to the Prince in Latine, Spanish, and English Done According to the Latine and Spanish Coppies Printed at Madrid. A Jesuites Oration to the Prince, in Latine and English. London: Printed for Nathaniell Butter, 1623.
Cita MLA (8a ed.)Gregory XV, Pope, y Nathaniel Butter. The Pope's Letter to the Prince in Latine, Spanish, and English Done According to the Latine and Spanish Coppies Printed at Madrid. A Jesuites Oration to the Prince, in Latine and English. Printed for Nathaniell Butter, 1623.