Christian theology an introduction.

MLA

McGrath, Alister E. Christian Theology: an Introduction. 5th ed. Malden: Wiley-Blackwell, 2011.

APA

McGrath, A. E. (2011). Christian theology: an introduction. 5th ed. Malden: Wiley-Blackwell.

Chicago

McGrath, Alister E. Christian Theology: An Introduction. 5th ed. Malden: Wiley-Blackwell, 2011.