APA Zitierstil

Massey, W. V., Ku, B., & Stellino, M. B. (2018). Observations of playground play during elementary school recess. BMC Res Notes.

Chicago Zitierstil

Massey, William V., Byungmo Ku, und Megan B. Stellino. "Observations of Playground Play During Elementary School Recess." BMC Res Notes 2018.

MLA Zitierstil

Massey, William V., Byungmo Ku, und Megan B. Stellino. "Observations of Playground Play During Elementary School Recess." BMC Res Notes 2018.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.