You can edit or add more citations to an existing one, for making these changings here are the necessary 8 steps:

Steps 1-2-3-4: Click on citation/footnote from document (1) > References (2) > Mendeley Cite (3) > citation from panel (4).

Steps 5-6-7-8: You can change citation information (5) > add details (as pages, paragraphs etc.) (6) > add Prefix or Suffix (7) > Save changes (8).

The citation is now edited as stated below.

Second, to add more citation to an existing one, here are the necessary 6 steps:

Steps 1-2-3-4-5-6: Click on citation/footnote from document (1) > References (2) > Mendeley Cite (3) > enter keyword(s) (4) > check box(es) (5) > Save changes (6).

The new citation is added to an existing one, as stated below. For adding new one(s) you can follow same steps.

Screenshot 109 - Add more citation to an existing one - 2

WARNING!

Manual edits will be lost if the citation style is changed. To avoid losing edits, pick the correct style early and leave the manual changes to the last.