APA (7th ed.) Citation

Riddle, J. T. E., Nicoll, K. B., & Rowantree, I. I. (1989). The skeletal system and the muscular system. Churchill Livingstone.

Chicago Style (17th ed.) Citation

Riddle, Janet T. E., Kathleen B. Nicoll, and Isabella I. Rowantree. The Skeletal System and the Muscular System. Edinburgh: Churchill Livingstone, 1989.

MLA (9th ed.) Citation

Riddle, Janet T. E., et al. The Skeletal System and the Muscular System. Churchill Livingstone, 1989.