Cita APA (7th ed.)
Key, S. I. (1948). John Constable: His life and work. Phoenix house.
Cita Chicago (17th ed.)
Key, Sydney I. John Constable: His Life and Work. London: Phoenix house, 1948.
Cita MLA (9th ed.)
Key, Sydney I. John Constable: His Life and Work. Phoenix house, 1948.
Atenció: Aquestes cites poden no estar 100% correctes.