APA-viite (7. p.)

(1992). Visual communication: By Helmut Löhr and some friends (1. ed.). Löhr [Selbstverl.].

Chicago-viite (17. p.)

Visual Communication: By Helmut Löhr and Some Friends. 1. ed. [Düsseldorf]: Löhr [Selbstverl.], 1992.

MLA-viite (8. p.)

Visual Communication: By Helmut Löhr and Some Friends. 1. ed. Löhr [Selbstverl.], 1992.