APA (7th ed.) Citation

Silverberg, R. (1990). Invasores terrestres. Caminho.

Chicago Style (17th ed.) Citation

Silverberg, Robert. Invasores Terrestres. Caminho, 1990.

MLA (8th ed.) Citation

Silverberg, Robert. Invasores Terrestres. Caminho, 1990.

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