APA (7th ed.) Citation

Lundwall, S. J. (1971). Science fiction: What it's all about. Ace Books.

Chicago Style (17th ed.) Citation

Lundwall, Sam J. Science Fiction: What It's All About. New York: Ace Books, 1971.

MLA (9th ed.) Citation

Lundwall, Sam J. Science Fiction: What It's All About. Ace Books, 1971.