APA (7th ed.) Citation

Barreira, E., & de Freitas, V. (2016). Introduction.

Chicago Style (17th ed.) Citation

Barreira, Eva, and VP de Freitas. Introduction. 2016.

MLA (8th ed.) Citation

Barreira, Eva, and VP de Freitas. Introduction. 2016.

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