APA (7. basım) Alıntı

Brockhaus, C., Ruhrberg, K., & Schumacher, E. (1987). Emil Schumacher: Text : Christoph Brockhaus, Karl Ruhrberg, Emil Schumacher. DSL Bank.

Chicago Style (17. basım) Atıf

Brockhaus, Christoph, Karl Ruhrberg, ve Emil Schumacher. Emil Schumacher: Text : Christoph Brockhaus, Karl Ruhrberg, Emil Schumacher. Bonn: DSL Bank, 1987.

MLA (8th ed.) Atıf

Brockhaus, Christoph, et al. Emil Schumacher: Text : Christoph Brockhaus, Karl Ruhrberg, Emil Schumacher. DSL Bank, 1987.