Gascoyne, D. (1963). Thomas Carlyle. Longman Green.
Cita Chicago (17th ed.)Gascoyne, David. Thomas Carlyle. London: Longman Green, 1963.
Cita MLA (9th ed.)Gascoyne, David. Thomas Carlyle. Longman Green, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.