APA (7e ed.) Bronvermelding

O'Brien, G. (2003). An essay on the economic effects of the reformation. IHS Press.

Chicago (17e ed.) Bronvermelding

O'Brien, George. An Essay on the Economic Effects of the Reformation. Norfolk, VA: IHS Press, 2003.

MLA (9e ed.) Bronvermelding

O'Brien, George. An Essay on the Economic Effects of the Reformation. IHS Press, 2003.