Cita APA (7a ed.)

Seefeldt, D. (1981). Stress was tun ? Verlag Tribüne.

Cita Chicago Style (17a ed.)

Seefeldt, Dieter. Stress Was Tun ? Berlin: Verlag Tribüne, 1981.

Cita MLA (8a ed.)

Seefeldt, Dieter. Stress Was Tun ? Verlag Tribüne, 1981.