APA (7th ed.) Citation

Silverberg, R. (1971). To the stars: Eight stories of science fiction. Hawthorn Books.

Chicago Style (17th ed.) Citation

Silverberg, Robert. To the Stars: Eight Stories of Science Fiction. New York: Hawthorn Books, 1971.

MLA (9th ed.) Citation

Silverberg, Robert. To the Stars: Eight Stories of Science Fiction. Hawthorn Books, 1971.