For a book reference, the requires elements are:

Author, Initial(s)., Year. Title of book. Place of publication (Town or City, not a country): Publisher name.

Wilson, W., 2013. The Brexit Bible. London: Pearson.

For a 2nd edition book:

Bronson, W., 1993. Good bye Great Britain. 2nd ed. Walderslade: Aurum press Ltd.