Cita APA (7a ed.)

Hammond, J. L., & Hammond, B. (1939). Lord Shaftesbury. Penguin Books.

Cita Chicago Style (17a ed.)

Hammond, J. L., y Barbara Hammond. Lord Shaftesbury. Harmondsworth: Penguin Books, 1939.

Cita MLA (8a ed.)

Hammond, J. L., y Barbara Hammond. Lord Shaftesbury. Penguin Books, 1939.