APA (7th ed.) Citation

Haarmann, L. (2002). S. HFF <<[u.a.]>>.

Chicago Style (17th ed.) Citation

Haarmann, Lorenz. S. <<[Potsdam]>>: HFF <<[u.a.]>>, 2002.

MLA (9th ed.) Citation

Haarmann, Lorenz. S. HFF <<[u.a.]>>, 2002.