Cita APA (7a ed.)

(1990). Manfred Butzmann: Aquarelle, Graphik, Plakate.

Cita Chicago Style (17a ed.)

Manfred Butzmann: Aquarelle, Graphik, Plakate. Zwickau, 1990.

Cita MLA (8a ed.)

Manfred Butzmann: Aquarelle, Graphik, Plakate. 1990.