APA (7th ed.) Citation

Ruben Gonçalves Pereira. (2008). Editorial. Desafio Singular.

Chicago Style (17th ed.) Citation

Ruben Gonçalves Pereira. Editorial. Desafio Singular, 2008.

MLA (9th ed.) Citation

Ruben Gonçalves Pereira. Editorial. Desafio Singular, 2008.

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