APA (7th ed.) Citation

Andresen, S. d. M. B. (1967). Geografia. ℓtica.

Chicago Style (17th ed.) Citation

Andresen, Sophia de Mello Breyner. Geografia. ℓtica, 1967.

MLA (8th ed.) Citation

Andresen, Sophia de Mello Breyner. Geografia. ℓtica, 1967.

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