Cita APA (7a ed.)

Fehige, C., & Wessels, U. (1998). Preferences. Walter de Gruyter.

Cita Chicago Style (17a ed.)

Fehige, Christoph, y Ulla Wessels. Preferences. Berlin [etc.]: Walter de Gruyter, 1998.

Cita MLA (9a ed.)

Fehige, Christoph, y Ulla Wessels. Preferences. Walter de Gruyter, 1998.