APA (7th ed.) Citation

Osoba, S., Ikime, O., & Webster, J. B. (1969). Christianity in modern Africa. Published for the Historical Society of Nigeria by Longman.

Chicago Style (17th ed.) Citation

Osoba, Segun, Obaro Ikime, and James Bertin Webster. Christianity in Modern Africa. London: Published for the Historical Society of Nigeria by Longman, 1969.

MLA (9th ed.) Citation

Osoba, Segun, et al. Christianity in Modern Africa. Published for the Historical Society of Nigeria by Longman, 1969.