APA
Parker T. V., . (1956). American protestantism, an appraisal. New York: Philosophical Library.
Chicago
Parker Thomas V, . 1956. American protestantism, an appraisal. New York: Philosophical Library.
Harvard
Parker T. V., . (1956). American protestantism, an appraisal. New York: Philosophical Library.
MLA
Parker Thomas V, . American protestantism, an appraisal. New York: Philosophical Library. 1956.