APA

Hardon J. A., . (1981). The question and answer Catholic catechism. New York ; London ; Toronto: Image Books ; Doubleday.

Chicago

Hardon John A, . 1981. The question and answer Catholic catechism. New York ; London ; Toronto: Image Books ; Doubleday.

Harvard

Hardon J. A., . (1981). The question and answer Catholic catechism. New York ; London ; Toronto: Image Books ; Doubleday.

MLA

Hardon John A, . The question and answer Catholic catechism. New York ; London ; Toronto: Image Books ; Doubleday. 1981.