Citazione Stile APA (7a Edizione)

Letton, M. C. (1949). Your child's leisure time ; illustrated by Ralph Allcott. Bureau of Publications.

Citazione stile Chigago Style (17a edizione)

Letton, Mildred Celia. Your Child's Leisure Time ; Illustrated by Ralph Allcott. New York: Bureau of Publications, 1949.

Citatione MLA (9a ed.)

Letton, Mildred Celia. Your Child's Leisure Time ; Illustrated by Ralph Allcott. Bureau of Publications, 1949.