APA

Schanz P., . (1891). A christian apology. New York: Frederick Pustet and Company.

Chicago

Schanz Paul, . 1891. A christian apology. New York: Frederick Pustet and Company.

Harvard

Schanz P., . (1891). A christian apology. New York: Frederick Pustet and Company.

MLA

Schanz Paul, . A christian apology. New York: Frederick Pustet and Company. 1891.