APA (7th ed.) Citation

Stwertka, A. (1995). The world of atoms and quarks. Twenty-First Century Books.

Chicago Style (17th ed.) Citation

Stwertka, Albert. The World of Atoms and Quarks. New York: Twenty-First Century Books, 1995.

MLA (9th ed.) Citation

Stwertka, Albert. The World of Atoms and Quarks. Twenty-First Century Books, 1995.