Style de citation APA (7e éd.)

Barker, M. R. (1890). The story of Don Bosco and his work. London.

Style de citation Chicago (17e éd.)

Barker, Mrs. Raymond. The Story of Don Bosco and His Work. London, 1890.

Style de citation MLA (8e éd.)

Barker, Mrs. Raymond. The Story of Don Bosco and His Work. London, 1890.