APA引文

Children's Welfare Federation (New York, N.Y.). (1948). Child care questions and answers: Over 400 questions most often asked by parents. Doubleday.

Chicago Style (17th ed.) Citation

Children's Welfare Federation (New York, N.Y.). Child Care Questions and Answers: Over 400 Questions Most Often Asked by Parents. Garden City, N.Y.: Doubleday, 1948.

MLA引文

Children's Welfare Federation (New York, N.Y.). Child Care Questions and Answers: Over 400 Questions Most Often Asked by Parents. Doubleday, 1948.