APA
Elbert E. J., . (1971). I understand. New York: Sheed and Ward.
Chicago
Elbert Edmund Joseph, . 1971. I understand. New York: Sheed and Ward.
Harvard
Elbert E. J., . (1971). I understand. New York: Sheed and Ward.
MLA
Elbert Edmund Joseph, . I understand. New York: Sheed and Ward. 1971.