APA

CUMMINS N., . (1991). Freedom to rejoice. Understanding St. John of the Cross. Harper Collins: London.

Chicago

CUMMINS Norbert, . 1991. Freedom to rejoice. Understanding St. John of the Cross. Harper Collins: London.

Harvard

CUMMINS N., . (1991). Freedom to rejoice. Understanding St. John of the Cross. Harper Collins: London.

MLA

CUMMINS Norbert, . Freedom to rejoice. Understanding St. John of the Cross. Harper Collins: London. 1991.