Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

ebrary, Inc, i C. R. Calladine. Understanding DNA: The Molecule & How It Works. 3rd ed. Amsterdam ; London: Elsevier Academic Press, 2004.

Cita MLA (9th ed.)

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