APA (7th ed.) Citation

Catholic Church. Pope (2005-2013 : Benedict XVI) & Benedict XVI, P. (2007). Encyclical letter of the Supreme Pontiff Benedict XVI, Saved in hope, Spe Salvi: To the bishops, priests and deacons, men and women religious, and all the lay faithful, on Christian hope. Pauline Books & Media.

Chicago Style (17th ed.) Citation

Catholic Church. Pope (2005-2013 : Benedict XVI) and Pope Benedict XVI. Encyclical Letter of the Supreme Pontiff Benedict XVI, Saved in Hope, Spe Salvi: To the Bishops, Priests and Deacons, Men and Women Religious, and All the Lay Faithful, on Christian Hope. Boston: Pauline Books & Media, 2007.

MLA (8th ed.) Citation

Catholic Church. Pope (2005-2013 : Benedict XVI) and Pope Benedict XVI. Encyclical Letter of the Supreme Pontiff Benedict XVI, Saved in Hope, Spe Salvi: To the Bishops, Priests and Deacons, Men and Women Religious, and All the Lay Faithful, on Christian Hope. Pauline Books & Media, 2007.

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