Cita APA (7a ed.)

Lang, C. L. (2011). Henze - Hettwer. De Gruyter.

Cita Chicago Style (17a ed.)

Lang, Carl Ludwig. Henze - Hettwer. Berlin [u.a.]: De Gruyter, 2011.

Cita MLA (8a ed.)

Lang, Carl Ludwig. Henze - Hettwer. De Gruyter, 2011.