Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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