APA (7th ed.) Citation

Hock, H. H. (1991). Principles of historical linguistics (2. rev. and updated ed.). Mouton de Gruyter.

Chicago Style (17th ed.) Citation

Hock, Hans Henrich. Principles of Historical Linguistics. 2. rev. and updated ed. Berlin ; New York: Mouton de Gruyter, 1991.

MLA (9th ed.) Citation

Hock, Hans Henrich. Principles of Historical Linguistics. 2. rev. and updated ed. Mouton de Gruyter, 1991.