APA引文

Harr, W. C. (1946). The Negro as an American Protestant missionary in Africa.

Chicago Style (17th ed.) Citation

Harr, Wilber Christian. The Negro as an American Protestant Missionary in Africa. Chicago, 1946.

MLA引文

Harr, Wilber Christian. The Negro as an American Protestant Missionary in Africa. 1946.

警告：這些引文格式不一定是100％准確.