To use a footnote, put a superscript number into your text and then the footnote at the bottom of the page.
Author, Title (edition, Publisher | year) page number.
12 Roy Goode and others, Transnational Commercial Law: International Instruments and Commentary (OUP 2004)
The bibliography lists the author's surname first and also uses the 'and others' convention.
Author, Title (edition, Publisher | year)
Gardiner S and others, Sports Law (3rd edn, Cavendish, 2006)