En el «océano» del Retiro.
<bdi><a href="https://www.wikidata.org/wiki/Q19721314" class="extiw" title="d:Q19721314"><span title="Spanish painter (1874-1936)">Francisco Sancha</span></a>
</bdi>
1899-04-20
<cite style="font-style:normal"> (<span class="mw-formatted-date" title="1899-04-20">1899-04-20</span>). "<a rel="nofollow" class="external text" href="http://hemerotecadigital.bne.es/issue.vm?id=0003740222&amp;page=4">En el «océano» del Retiro</a>". <i><a href="https://www.wikidata.org/wiki/Q45223689" class="extiw" title="d:Q45223689">La Vida Literaria</a></i> (15): 243. <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/2171-536X">2171-536X</a>.</cite>