APA

Brown R. M., . (1961). The spirit of Protestantism. New York: Oxford University Press.

Chicago

Brown Robert McAfee, . 1961. The spirit of Protestantism. New York: Oxford University Press.

Harvard

Brown R. M., . (1961). The spirit of Protestantism. New York: Oxford University Press.

MLA

Brown Robert McAfee, . The spirit of Protestantism. New York: Oxford University Press. 1961.