MLA

Cobb, John B, and David Ray Griffin. Process Theology : an Introductory Exposition. Philadelphia (Pa.): Westminster press, 1976.

APA

Cobb, J. B, & Griffin, D. Ray. (1976). Process theology : an introductory exposition. Philadelphia (Pa.): Westminster press.

Chicago

Cobb, John B., and David Ray Griffin. Process Theology : an Introductory Exposition. Philadelphia (Pa.): Westminster press, 1976.