APA (7th ed.) Citation

North, R. (2009). Monitoring and Controlling Diabetes. Optometry Today, 49(7), 26.

Chicago Style (17th ed.) Citation

North, Rachel. "Monitoring and Controlling Diabetes." Optometry Today 49, no. 7 (2009): 26.

MLA (9th ed.) Citation

North, Rachel. "Monitoring and Controlling Diabetes." Optometry Today, vol. 49, no. 7, 2009, p. 26.