Gaya APA

Geldhof, G, J. et al (2012). Special Section Introduction: Thriving in Context: Findings from the 4-H Study of Positive Youth Development . New York: Springer Science+Business Media.

Gaya MLA

Geldhof, G., John. et al. "Special Section Introduction: Thriving in Context: Findings from the 4-H Study of Positive Youth Development". New York: Springer Science+Business Media, 2012. e-journal.