APA (7th ed.) Citation

Figueiredo, M. R., & Biberfeld, S. (1994). Portugal.

Chicago Style (17th ed.) Citation

Figueiredo, Maria Rosa, and Simone Biberfeld. Portugal. 1994.

MLA (8th ed.) Citation

Figueiredo, Maria Rosa, and Simone Biberfeld. Portugal. 1994.

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