APA (7th ed.) Citation

Kalu, O. U. (1980). The history of christianity in West Africa. Longman.

Chicago Style (17th ed.) Citation

Kalu, Ogbu U. The History of Christianity in West Africa. London [u.a.]: Longman, 1980.

MLA (9th ed.) Citation

Kalu, Ogbu U. The History of Christianity in West Africa. Longman, 1980.