The Template:Neukirch_et_al._CNF is a one-cite template, which over-condenses 2 editions of the same number theory book by also omitting chapter or page. If no parameter is passed, or either of the parameter values edition=1, "first", or "First" is passed, this template displays the 1st edition:

Neukirch, Jürgen; Schmidt, Alexander; Wingberg, Kay (2000), Cohomology of Number Fields, Grundlehren der Mathematischen Wissenschaften, 323, Berlin: Springer-Verlag, ISBN 978-3-540-66671-4, Zbl 0948.11001, MR1737196 

If either of the parameter values edition=2, "second", or "Second" is passed (e.g. {{Neukirch et al. CNF | edition=2}}), this template displays:

Neukirch, Jürgen; Schmidt, Alexander; Wingberg, Kay (2008), Cohomology of Number Fields, Grundlehren der Mathematischen Wissenschaften, 323 (Second ed.), Berlin: Springer-Verlag, ISBN 978-3-540-37888-4, Zbl 1136.11001, MR2392026 

The 1st edition cite could be formatted as: