APA (7th ed.) Citation

Lyons, P. F. (2017). Martin Luther: His challenge then and now. Columba Press.

Chicago Style (17th ed.) Citation

Lyons, P. Fintan. Martin Luther: His Challenge Then and Now. Dublin, Ireland: Columba Press, 2017.

MLA (9th ed.) Citation

Lyons, P. Fintan. Martin Luther: His Challenge Then and Now. Columba Press, 2017.