APA (7th ed.) Citation

Asimov, I., & Kors, E. W. (1990). How did we find out about lasers? Walker.

Chicago Style (17th ed.) Citation

Asimov, Isaac, and Erika W. Kors. How Did We Find Out About Lasers? New York: Walker, 1990.

MLA (9th ed.) Citation

Asimov, Isaac, and Erika W. Kors. How Did We Find Out About Lasers? Walker, 1990.