APA (7th ed.) Citation

Haarmann, H. (1986). Language in ethinicity: A view of basic ecological relations. Mouton de Gruyter.

Chicago Style (17th ed.) Citation

Haarmann, Harald. Language in Ethinicity: A View of Basic Ecological Relations. Berlin: Mouton de Gruyter, 1986.

MLA (9th ed.) Citation

Haarmann, Harald. Language in Ethinicity: A View of Basic Ecological Relations. Mouton de Gruyter, 1986.