APA
Cook H. R., . (1959). Missionary life and work. Chicago: Moody.
Chicago
Cook Harold R, . 1959. Missionary life and work. Chicago: Moody.
Harvard
Cook H. R., . (1959). Missionary life and work. Chicago: Moody.
MLA
Cook Harold R, . Missionary life and work. Chicago: Moody. 1959.