APA

(1962). the young folks shelf of books. new york: the crowell collier publishing،.

Chicago

1962. the young folks shelf of books. new york: the crowell collier publishing،.

Harvard

(1962). the young folks shelf of books. new york: the crowell collier publishing،.

MLA

the young folks shelf of books. new york: the crowell collier publishing،. 1962.