A Bibliography tells your reader where your information comes from.
It is an academic convention to use a particular referencing style to clearly identify your information. Your source information is commonly referred to as a source, a citation or a reference.
The are a number of styles, for example Harvard, MLA or Vancouver. You should always use the style set by your course or school.
St Pius X College uses APA. Formatting your source in this style is an important academic skill and is easy to do with the school's referencing tool, Citemaker.