APA (7th ed.) Citation

Asimov, I. (1992). <O >segredo do universo. Puma.

Chicago Style (17th ed.) Citation

Asimov, Isaac. <O >segredo Do Universo. Puma, 1992.

MLA (8th ed.) Citation

Asimov, Isaac. <O >segredo Do Universo. Puma, 1992.

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