APA Style

Allport, G, W, (, W, 1. (2007). Roots of religion : a dialogue between a psychologist and his student . : University of California Libraries.

MLA Style

Allport, Gordon, W., (Gordon, Willard),, 1897-1967. "Roots of religion : a dialogue between a psychologist and his student". : University of California Libraries, 2007. Text.