APA

Hoffer E., . (1951). The true believer: thoughts on the nature of mass movements. New York: Harper.

Chicago

Hoffer Eric, . 1951. The true believer: thoughts on the nature of mass movements. New York: Harper.

Harvard

Hoffer E., . (1951). The true believer: thoughts on the nature of mass movements. New York: Harper.

MLA

Hoffer Eric, . The true believer: thoughts on the nature of mass movements. New York: Harper. 1951.