APA

Baker G., . (1951). I had to know. New York: Appleton-Century-Crofts.

Chicago

Baker Gladys, . 1951. I had to know. New York: Appleton-Century-Crofts.

Harvard

Baker G., . (1951). I had to know. New York: Appleton-Century-Crofts.

MLA

Baker Gladys, . I had to know. New York: Appleton-Century-Crofts. 1951.