APA (7th ed.) Citation

Simpson, W. D. (1940). Saint Ninian and the origins of the Christian church in Scotland / by W. Douglas Simpson. Oliver and Boyd.

Chicago Style (17th ed.) Citation

Simpson, W. Douglas. Saint Ninian and the Origins of the Christian Church in Scotland / by W. Douglas Simpson. Edinburgh: Oliver and Boyd, 1940.

MLA (9th ed.) Citation

Simpson, W. Douglas. Saint Ninian and the Origins of the Christian Church in Scotland / by W. Douglas Simpson. Oliver and Boyd, 1940.

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