APA (7th ed.) Citation

Richard Kearns & Knight, D. (1980). Orbit 21. Harper & Row.

Chicago Style (17th ed.) Citation

Richard Kearns and Damon Knight. Orbit 21. New York: Harper & Row, 1980.

MLA (9th ed.) Citation

Richard Kearns and Damon Knight. Orbit 21. Harper & Row, 1980.

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