APA (7th ed.) Citation

Penny, J. (2013). Maths skills for A level biology / James Penny. Nelson Thornes.

Chicago Style (17th ed.) Citation

Penny, James. Maths Skills for A Level Biology / James Penny. Cheltenham, United Kingdom: Nelson Thornes, 2013.

MLA (9th ed.) Citation

Penny, James. Maths Skills for A Level Biology / James Penny. Nelson Thornes, 2013.

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