Cita APA (7a ed.)

Sacks, G., Rayner, M., & Swinburn, B. (2009). Impact of front-of-pack 'traffic-light' nutrition labelling on consumer food purchases in the UK.

Cita Chicago Style (17a ed.)

Sacks, G., M. Rayner, y B. Swinburn. Impact of Front-of-pack 'Traffic-light' Nutrition Labelling on Consumer Food Purchases in the UK. 2009.

Cita MLA (9a ed.)

Sacks, G., et al. Impact of Front-of-pack 'Traffic-light' Nutrition Labelling on Consumer Food Purchases in the UK. 2009.