APA (7th ed.) Citation

Calladine, C. R. (2004). Understanding DNA: The molecule & how it works (3rd ed.). Elsevier Academic Press.

Chicago Style (17th ed.) Citation

Calladine, C. R. Understanding DNA: The Molecule & How It Works. 3rd ed. San Diego, CA: Elsevier Academic Press, 2004.

MLA (9th ed.) Citation

Calladine, C. R. Understanding DNA: The Molecule & How It Works. 3rd ed. Elsevier Academic Press, 2004.