APA

Mary of Saint Austin, . (1948). The divine crucible. London: Burns Oats.

Chicago

Mary of Saint Austin, . 1948. The divine crucible. London: Burns Oats.

Harvard

Mary of Saint Austin, . (1948). The divine crucible. London: Burns Oats.

MLA

Mary of Saint Austin, . The divine crucible. London: Burns Oats. 1948.