APA aipamena

Ferrao, T., & Janssen, I. (2015). Parental encouragement is positively associated with outdoor active play outside of school hours among 7–12 year olds. PeerJ.

Chicago Style aipamena

Ferrao, Thomas, and Ian Janssen. "Parental Encouragement Is Positively Associated With Outdoor Active Play Outside of School Hours Among 7–12 Year Olds." PeerJ 2015.

MLA aipamena

Ferrao, Thomas, and Ian Janssen. "Parental Encouragement Is Positively Associated With Outdoor Active Play Outside of School Hours Among 7–12 Year Olds." PeerJ 2015.