APA (7th ed.) Citation

Silverberg, R. (1978). The time-hoppers. Millington.

Chicago Style (17th ed.) Citation

Silverberg, Robert. The Time-hoppers. London: Millington, 1978.

MLA (8th ed.) Citation

Silverberg, Robert. The Time-hoppers. Millington, 1978.

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