APA (7th ed.) Citation

Fred Pihneiro, F. F. (1948). Orfeu. [s.n].

Chicago Style (17th ed.) Citation

Fred Pihneiro, Fernando Ferreira. Orfeu. [s.n], 1948.

MLA (8th ed.) Citation

Fred Pihneiro, Fernando Ferreira. Orfeu. [s.n], 1948.

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