APA (7th ed.) Citation

Krebs, R. E. (2001). Scientific laws, principles, and theories: A reference guide. Greenwood Press.

Chicago Style (17th ed.) Citation

Krebs, Robert E. Scientific Laws, Principles, and Theories: A Reference Guide. Westport, CT: Greenwood Press, 2001.

MLA (9th ed.) Citation

Krebs, Robert E. Scientific Laws, Principles, and Theories: A Reference Guide. Greenwood Press, 2001.