Go to https://search.crossref.org/ and search by title. Click the Actions menu link and then the Cite option. Choose the appropriate reference style.
Google Scholar
Search Google Scholar at https://scholar.google.com.au/. Select the citation tool icon [quotation marks] and choose a referencing style.
PubMed
Search PubMed from the Library's A-Z Databases list: https://libguides.navitas.com/az.php?a=p&q=pubmed. Click the citation tool icon [quotation marks] and then select a referencing style from the drop-down menu.