Cita APA

Dowda, M., Brown, W. H., McIver, K. L., Pfeiffer, K. A., O'Neill, J. R., Addy, C. L., & Pate, R. R. (2009). Policies and characteristics of the preschool environment and physical activity of young children.

Citación estilo Chicago

Dowda, Marsha, William H. Brown, Kerry L. McIver, Karin A. Pfeiffer, Jennifer R. O'Neill, Cheryl L. Addy, y Russell R. Pate. Policies and Characteristics of the Preschool Environment and Physical Activity of Young Children. 2009.

Cita MLA

Dowda, Marsha, et al. Policies and Characteristics of the Preschool Environment and Physical Activity of Young Children. 2009.