APA

Hart J. 1., . (1984). The spirit of the earth. New York: Paulist Press.

Chicago

Hart John 1943, . 1984. The spirit of the earth. New York: Paulist Press.

Harvard

Hart J. 1., . (1984). The spirit of the earth. New York: Paulist Press.

MLA

Hart John 1943, . The spirit of the earth. New York: Paulist Press. 1984.