APA (7th ed.) Citation

Silva, I., Menezes, H., Oliveira, I., & Gonçalves, T. (2010). Foreign language competence in companies – a survey.

Chicago Style (17th ed.) Citation

Silva, I.F, Helena Menezes, I. Oliveira, and Teresa Gonçalves. Foreign Language Competence in Companies – a Survey. 2010.

MLA (8th ed.) Citation

Silva, I.F, et al. Foreign Language Competence in Companies – a Survey. 2010.