Cita APA (7a ed.)

Hoffmann, H. (2014). Trade and environment: Green light or red light?

Cita Chicago Style (17a ed.)

Hoffmann, Helga. Trade and Environment: Green Light or Red Light? 2014.

Cita MLA (8a ed.)

Hoffmann, Helga. Trade and Environment: Green Light or Red Light? 2014.