Altman, D. (2005). Unjustified restrictions on letters to the editor. Public Library of Science.
Citación estilo ChicagoAltman, D. Unjustified Restrictions on Letters to the Editor. Public Library of Science, 2005.
Cita MLAAltman, D. Unjustified Restrictions on Letters to the Editor. Public Library of Science, 2005.
Warning: These citations may not always be 100% accurate.