APA (7th ed.) Citation

Petrowski Katja, Herold Ulf, Joraschky Peter, von Wyl Agnes, & Cierpka Manfred. (2009). The specificity and the development of social-emotional competence in a multi-ethnic-classroom. BMC.

Chicago Style (17th ed.) Citation

Petrowski Katja, Herold Ulf, Joraschky Peter, von Wyl Agnes, and Cierpka Manfred. The Specificity and the Development of Social-emotional Competence in a Multi-ethnic-classroom. BMC, 2009.

MLA (9th ed.) Citation

Petrowski Katja, et al. The Specificity and the Development of Social-emotional Competence in a Multi-ethnic-classroom. BMC, 2009.

Warning: These citations may not always be 100% accurate.