APA (7th ed.) Citation

Harnack, A. v. (1896). Christianity and history. A. & C. Black.

Chicago Style (17th ed.) Citation

Harnack, Adolf von. Christianity and History. London: A. & C. Black, 1896.

MLA (9th ed.) Citation

Harnack, Adolf von. Christianity and History. A. & C. Black, 1896.