The modern theologians an introduction to christian theology since 1918.
MLA
Ford, David F, and Rachel Muers. The Modern Theologians: an Introduction to Christian Theology Since 1918. 3rd ed. Malden: Blackwell, 2005.
APA
Ford, D. F, & Muers, R. (2005). The modern theologians: an introduction to christian theology since 1918. 3rd ed. Malden: Blackwell.
Chicago
Ford, David F. ed., and Rachel Muers ed. The Modern Theologians: An Introduction to Christian Theology Since 1918. 3rd ed. Malden: Blackwell, 2005.