Julio Antonio, dibujo de Juan Echevarría.
<bdi><a href="https://en.wikipedia.org/wiki/en:Juan_de_Echevarr%C3%ADa" class="extiw" title="w:en:Juan de Echevarría"><span title="Spanish painter (1875-1931)">Juan de Echevarría</span></a>
</bdi>
1919-02-20
<cite style="font-style:normal">J. Moreno Villa (<span class="mw-formatted-date" title="1919-02-20">1919-02-20</span>). "<a rel="nofollow" class="external text" href="http://hemerotecadigital.bne.es/issue.vm?id=0003384381&amp;page=1">Julio Antonio</a>". <i><a href="https://www.wikidata.org/wiki/Q5839905" class="extiw" title="d:Q5839905">España</a></i> (139). <a href="https://en.wikipedia.org/wiki/International_Standard_Serial_Number" class="extiw" title="en:International Standard Serial Number">ISSN</a> <a rel="nofollow" class="external text" href="https://www.worldcat.org/issn/2171-2549">2171-2549</a>.</cite>