APA

Richard I. A., . (1950). French self-taught with pictures. New York: Pocket Books.

Chicago

Richard Ivor Armstrong, . 1950. French self-taught with pictures. New York: Pocket Books.

Harvard

Richard I. A., . (1950). French self-taught with pictures. New York: Pocket Books.

MLA

Richard Ivor Armstrong, . French self-taught with pictures. New York: Pocket Books. 1950.