APA (7th ed.) Citation

Bensen, D. R., & Asimov, I. (1963). The unknown: 11 stories / edited and with an introduction by D. R. Bensen ; forword by Isaac Asimov ; illustrated by Edd Cartier. Pyramid Books.

Chicago Style (17th ed.) Citation

Bensen, D. R., and Isaac Asimov. The Unknown: 11 Stories / Edited and with an Introduction by D. R. Bensen ; Forword by Isaac Asimov ; Illustrated by Edd Cartier. New York: Pyramid Books, 1963.

MLA (9th ed.) Citation

Bensen, D. R., and Isaac Asimov. The Unknown: 11 Stories / Edited and with an Introduction by D. R. Bensen ; Forword by Isaac Asimov ; Illustrated by Edd Cartier. Pyramid Books, 1963.