Bellow, S. (1971). Seize the day. Penguin Books.
Cita Chicago Style (17a ed.)Bellow, Saul. Seize the Day. Inglaterra: Penguin Books, 1971.
Cita MLA (9a ed.)Bellow, Saul. Seize the Day. Penguin Books, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.