Traditional spacing examples from the 1911 <a href="https://en.wikipedia.org/wiki/The_Chicago_Manual_of_Style" class="extiw" title="wikipedia:The Chicago Manual of Style">Chicago Manual of Style</a> (Third Edition) [full page]
University of Chicago Press
1911
<cite class="book" style="font-style:normal"><i> <a rel="nofollow" class="external text" href="https://books.google.com.br/books?id=vlcOAAAAYAAJ&amp;hl=pt-BR&amp;pg=RA1-PA101#v=twopage&amp;q&amp;f=false">Manual of Style: A Compilation of the Typographical Rules in Force at the University of Chicago Press, with Specimens of Types in Use at the University Press</a></i>  <small></small></cite>, p. 101, at <a href="https://en.wikipedia.org/wiki/Google_Books" class="extiw" title="wikipedia:Google Books">Google Books</a>.