APA (7th ed.) Citation

(1981). Enciclopédia Delta Universal. Editora Delta SA.

Chicago Style (17th ed.) Citation

Enciclopédia Delta Universal. Editora Delta SA, 1981.

MLA (8th ed.) Citation

Enciclopédia Delta Universal. Editora Delta SA, 1981.

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