APA (7th ed.) Citation

Howie, E., Newman-Norlund, R., & Pate, R. (2014). Smiles count but minutes matter: Responses to classroom exercise breaks. PNG Publications.

Chicago Style (17th ed.) Citation

Howie, Erin, R. Newman-Norlund, and R. Pate. Smiles Count but Minutes Matter: Responses to Classroom Exercise Breaks. PNG Publications, 2014.

MLA (9th ed.) Citation

Howie, Erin, et al. Smiles Count but Minutes Matter: Responses to Classroom Exercise Breaks. PNG Publications, 2014.