APA (7th ed.) Citation

Silverberg, R. (1975). The silent invaders. D. Dobson.

Chicago Style (17th ed.) Citation

Silverberg, Robert. The Silent Invaders. London: D. Dobson, 1975.

MLA (9th ed.) Citation

Silverberg, Robert. The Silent Invaders. D. Dobson, 1975.

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