Cita APA (7th ed.)

Engell, L., & Siegert, B. (2014). Focus: Producing Places. Meiner.

Cita Chicago (17th ed.)

Engell, Lorenz, i Bernhard Siegert. Focus: Producing Places. Hamburg: Meiner, 2014.

Cita MLA (8th ed.)

Engell, Lorenz, i Bernhard Siegert. Focus: Producing Places. Meiner, 2014.