Cita APA (7a ed.)

Schmittel, W. (1975). Design concept realisation. Blume.

Cita Chicago Style (17a ed.)

Schmittel, Wolfgang. Design Concept Realisation. Madrid: Blume, 1975.

Cita MLA (9a ed.)

Schmittel, Wolfgang. Design Concept Realisation. Blume, 1975.