APA (7th ed.) Citation

Prouty, J., & Gardiner, J. (2008). Fit over fifty. Healthy Learning.

Chicago Style (17th ed.) Citation

Prouty, Joy, and Josie Gardiner. Fit over Fifty. Monterey, CA: Healthy Learning, 2008.

MLA (9th ed.) Citation

Prouty, Joy, and Josie Gardiner. Fit over Fifty. Healthy Learning, 2008.