APA (7th ed.) Citation

Assis, M. d. (1991). Helena. Europa-América.

Chicago Style (17th ed.) Citation

Assis, Machado de. Helena. Europa-América, 1991.

MLA (8th ed.) Citation

Assis, Machado de. Helena. Europa-América, 1991.

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