Skype > File > Show Account > View call history > Export to history file
Drag this call_history to your favorite wordprocessor
Mark, copy and paste into your favorite wordprocessor.
But remember, the more 'elegant' your prints look, the more taylored they are.
Nothing wrong with a simple CMD-SHIFT-4 or CMD-SHIFT-SPACE.
It looks very authentic with a screendump.
Good luck! :(y):