APA Style
Sigg, Oswald. (1997).
Political Switzerland .
:
Pro Helvetia.
Chicago Style
Sigg, Oswald.
Political Switzerland.
:
Pro Helvetia,
1997.
Text.
MLA Style
Sigg, Oswald.
Political Switzerland.
:
Pro Helvetia,
1997.
Text.
Turabian Style
Sigg, Oswald.
Political Switzerland.
:
Pro Helvetia,
1997.
Print.