Gaya APA

[et.al.], D, M. (2013). Predicting Life Satisfaction During Middle Adulthood from Peer Relationships During Mid-Adolescence . New York: Springer Science+Business Media.

Gaya MLA

[et.al.], Donna, Marion. "Predicting Life Satisfaction During Middle Adulthood from Peer Relationships During Mid-Adolescence". New York: Springer Science+Business Media, 2013. e-journal.