APA

Johnston W., Smith H., . (2014). The cloud of unknowing. New York: Image.

Chicago

Johnston William, Smith Huston, . 2014. The cloud of unknowing. New York: Image.

Harvard

Johnston W., Smith H., . (2014). The cloud of unknowing. New York: Image.

MLA

Johnston William, Smith Huston, . The cloud of unknowing. New York: Image. 2014.