Generally, when using the Numeric style, a reference in your paper requires only the name of the author or authors and the number of the detailed reference.

For example:

Two or three authors of one work:

Four or more authors of one work:

When the authors are not mentioned in the text, numbers are used to indicate the texts being referred to:

These works are then listed in full at the end of the essay.

Superscript 7, brackets (8) or square brackets [9] may be used.