APA (7th ed.) Citation

Oliveira, H., Jacinto, H. J., & Tomás Ferreira, R. (2021). Opening note.

Chicago Style (17th ed.) Citation

Oliveira, Hélia, Hélia Jacinto Jacinto, and Rosa Tomás Ferreira. Opening Note. 2021.

MLA (8th ed.) Citation

Oliveira, Hélia, et al. Opening Note. 2021.