APA (7th ed.) Citation

Andresen, S. d. M. B. (1972). Dual. Moraes Editores.

Chicago Style (17th ed.) Citation

Andresen, Sophia de Mello Breyner. Dual. Moraes Editores, 1972.

MLA (8th ed.) Citation

Andresen, Sophia de Mello Breyner. Dual. Moraes Editores, 1972.

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