Citazione Stile APA (7a Edizione)

(1979). Contemporary theories about the family: Research-based theories. Free Pr.

Citazione stile Chigago Style (17a edizione)

Contemporary Theories About the Family: Research-based Theories. New York: Free Pr, 1979.

Citatione MLA (9a ed.)

Contemporary Theories About the Family: Research-based Theories. Free Pr, 1979.