APA (7th ed.) Citation

MacCulloch, J. A. (1911). The religion of the ancient Celts. Clark.

Chicago Style (17th ed.) Citation

MacCulloch, John A. The Religion of the Ancient Celts. Edinburgh: Clark, 1911.

MLA (8th ed.) Citation

MacCulloch, John A. The Religion of the Ancient Celts. Clark, 1911.

Warning: These citations may not always be 100% accurate.