APA

Sweazey G. E., . (1953). Effective evangelism. New York: Harper.

Chicago

Sweazey George E, . 1953. Effective evangelism. New York: Harper.

Harvard

Sweazey G. E., . (1953). Effective evangelism. New York: Harper.

MLA

Sweazey George E, . Effective evangelism. New York: Harper. 1953.