APA (7th ed.) Citation

Asimov, I. (1972). An Isaac Asimov double: Space ranger; [and], Pirates of the asteroids. New English Library.

Chicago Style (17th ed.) Citation

Asimov, Isaac. An Isaac Asimov Double: Space Ranger; [and], Pirates of the Asteroids. London: New English Library, 1972.

MLA (8th ed.) Citation

Asimov, Isaac. An Isaac Asimov Double: Space Ranger; [and], Pirates of the Asteroids. New English Library, 1972.

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