APA
John Paul II, . (1990). Principal allocutions and letters from January 1989 to December 1990. Rome: [s. n.].
Chicago
John Paul II, . 1990. Principal allocutions and letters from January 1989 to December 1990. Rome: [s. n.].
Harvard
John Paul II, . (1990). Principal allocutions and letters from January 1989 to December 1990. Rome: [s. n.].
MLA
John Paul II, . Principal allocutions and letters from January 1989 to December 1990. Rome: [s. n.]. 1990.
