APA (7th ed.) Citation

Joannes XXII, P. (1967). An invitation to hope. Simon and Schuster.

Chicago Style (17th ed.) Citation

Joannes XXII, Pope. An Invitation to Hope. New York: Simon and Schuster, 1967.

MLA (9th ed.) Citation

Joannes XXII, Pope. An Invitation to Hope. Simon and Schuster, 1967.

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