 Special attention is given to revision editing as GL is not generally peer reviewed, or produced with editorial support; therefore, it is fundamental that authors be aware of the importance of a careful revision of their texts before diffusion.The adoption of the “Vancouver style” is recommended and examples and rules are given as a fundamental step for information retrieval.As regards document structure, it is basically the same in “Nancy style” and ANSI/NISO Z39.18, with minor terminological variations.