Cita APA (7a ed.)

Coetsem, F. v., & Kufner, H. L. (1972). Toward a grammar of Proto-Germanic. De Gruyter.

Cita Chicago Style (17a ed.)

Coetsem, Frans van, y Herbert L. Kufner. Toward a Grammar of Proto-Germanic. Berlin: De Gruyter, 1972.

Cita MLA (8a ed.)

Coetsem, Frans van, y Herbert L. Kufner. Toward a Grammar of Proto-Germanic. De Gruyter, 1972.