The reader's digest of books.
MLA
Keller, Helen Rex. The reader's digest of books. New and greatly enlarged edition. New York : Macmillan co., 1946.
APA
Keller, H. (1946). The reader's digest of books. New and greatly enlarged edition. New York : Macmillan co..
Chicago
Keller, Helen Rex. The reader's digest of books. New and greatly enlarged edition. New York : Macmillan co., 1946.