Cita APA (7a ed.)

Eichhorn, H. (1993). Thomas Ring: Retrospektive.

Cita Chicago Style (17a ed.)

Eichhorn, Herbert. Thomas Ring: Retrospektive. Bietigheim-Bissingen [u.a.], 1993.

Cita MLA (8a ed.)

Eichhorn, Herbert. Thomas Ring: Retrospektive. 1993.