APA (7th ed.) Citation

Costa, C. A. d., & Silveira, E. F. d. (2019). Untitled.

Chicago Style (17th ed.) Citation

Costa, C. A.P. da, and E. F. da Silveira. Untitled. 2019.

MLA (8th ed.) Citation

Costa, C. A.P. da, and E. F. da Silveira. Untitled. 2019.

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