APA
Whittaker J. C., . (1943). We thought we heard the angels sing. New York: Dutton & Co.
Chicago
Whittaker James C, . 1943. We thought we heard the angels sing. New York: Dutton & Co.
Harvard
Whittaker J. C., . (1943). We thought we heard the angels sing. New York: Dutton & Co.
MLA
Whittaker James C, . We thought we heard the angels sing. New York: Dutton & Co. 1943.