APA (7th ed.) Citation

Sagan, C. (1985). Os dragões do Eden. Gradiva.

Chicago Style (17th ed.) Citation

Sagan, Carl. Os Dragões Do Eden. Gradiva, 1985.

MLA (8th ed.) Citation

Sagan, Carl. Os Dragões Do Eden. Gradiva, 1985.

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