APA (7th ed.) Citation

Roberts, D. (1980). Que sabes do universo - 2. CelBrasil.

Chicago Style (17th ed.) Citation

Roberts, David. Que Sabes Do Universo - 2. CelBrasil, 1980.

MLA (8th ed.) Citation

Roberts, David. Que Sabes Do Universo - 2. CelBrasil, 1980.

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