APA (7th ed.) Citation

Calladine C. R. & Drew Horace R. (1997). Understanding DNA: The molecule & how it works (2nd ed.). Academic Press.

Chicago Style (17th ed.) Citation

Calladine C. R. and Drew Horace R. Understanding DNA: The Molecule & How It Works. 2nd ed. Academic Press, 1997.

MLA (8th ed.) Citation

Calladine C. R. and Drew Horace R. Understanding DNA: The Molecule & How It Works. 2nd ed. Academic Press, 1997.

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