APA (7th ed.) Citation

(1989). World book encyclopedia of science: Physics today. World Book,Inc.

Chicago Style (17th ed.) Citation

World Book Encyclopedia of Science: Physics Today. Chicago: World Book,Inc, 1989.

MLA (9th ed.) Citation

World Book Encyclopedia of Science: Physics Today. World Book,Inc, 1989.

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