APA

Van Dyke, . (1896). The gospel for an age of doubt. New York: The Macmillan company.

Chicago

Van Dyke, . 1896. The gospel for an age of doubt. New York: The Macmillan company.

Harvard

Van Dyke, . (1896). The gospel for an age of doubt. New York: The Macmillan company.

MLA

Van Dyke, . The gospel for an age of doubt. New York: The Macmillan company. 1896.