APA (7th ed.) Citation

Mackey, J. P. (1989). An introduction to Celtic Christianity. T & T Clark.

Chicago Style (17th ed.) Citation

Mackey, James P. An Introduction to Celtic Christianity. Edinburgh: T & T Clark, 1989.

MLA (8th ed.) Citation

Mackey, James P. An Introduction to Celtic Christianity. T & T Clark, 1989.

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