Cita APA (7a ed.)

Colvin, S. (1920). John Keats: His life and poetry, his friends critics and after-fame (3rd ed.). MacMillan.

Cita Chicago Style (17a ed.)

Colvin, Sidney. John Keats: His Life and Poetry, His Friends Critics and After-fame. 3rd ed. London: MacMillan, 1920.

Cita MLA (9a ed.)

Colvin, Sidney. John Keats: His Life and Poetry, His Friends Critics and After-fame. 3rd ed. MacMillan, 1920.