Shortened footnote and citation:
{{sfn | Doknjas | Doknjas | 2018 | p=}}
* {{cite book | last=Doknjas | first=John | last2=Doknjas | first2=Joshua | title=The Sicilian Najdorf | date=2018-12-15 | isbn=978-1-78194-483-7}}
Named reference:
<ref name="o488">{{cite book | last=Doknjas | first=John | last2=Doknjas | first2=Joshua | title=The Sicilian Najdorf | date=2018-12-15 | isbn=978-1-78194-483-7 | page=}}</ref>