Cita APA (7a ed.)

Lechner, H. Publicis, Farner, Aebi, Strebel: Only change is permanent.

Cita Chicago Style (17a ed.)

Lechner, Herbert. Publicis, Farner, Aebi, Strebel: Only Change Is Permanent.

Cita MLA (9a ed.)

Lechner, Herbert. Publicis, Farner, Aebi, Strebel: Only Change Is Permanent.

Precaución: Estas citas no son 100% exactas.