find a citation

I've to write an article for the ournal named KSSTA;
references are in this style
The entries in the list should be numbered consecutively.
and reference are in this form:
Smith J, Jones M Jr, Houghton L et al (1999) Future of health insurance. N Engl J Med 965:325–329
and
are in alphabetical order;
what I have to do? what is the closest style in Zotero I've to use? How can I have my references in alphabetical order?
thank you for the aswers!

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