APA

Walsh M., . (1984). An illustrated history of the Popes. New York: Bonanza Books.

Chicago

Walsh Michael, . 1984. An illustrated history of the Popes. New York: Bonanza Books.

Harvard

Walsh M., . (1984). An illustrated history of the Popes. New York: Bonanza Books.

MLA

Walsh Michael, . An illustrated history of the Popes. New York: Bonanza Books. 1984.