Cita APA (7a ed.)

Houghton, R. M. M., Keats, J., Lynd, R., & Gibbs, L. (1963). The life & letters of John Keats. Everyman's Library.

Cita Chicago Style (17a ed.)

Houghton, Richard Mononckton Milnes, John Keats, Robert Lynd, y Lewis Gibbs. The Life & Letters of John Keats. London [etc.]: Everyman's Library, 1963.

Cita MLA (9a ed.)

Houghton, Richard Mononckton Milnes, et al. The Life & Letters of John Keats. Everyman's Library, 1963.