Answers of Catechism (Quiz 21). Wolters Kluwer Medknow Publications.
Chicago Style (17th ed.) CitationAnswers of Catechism (Quiz 21). Wolters Kluwer Medknow Publications.
MLA (9th ed.) CitationAnswers of Catechism (Quiz 21). Wolters Kluwer Medknow Publications.
Warning: These citations may not always be 100% accurate.