Gaya APA

Treas, J. et al (2012). Farewell to Moms? Maternal Contact for Seven Countries in 1986 and 2001 . Irvine: Journal of Marriage and Family.

Gaya MLA

Treas, Judith. et al. "Farewell to Moms? Maternal Contact for Seven Countries in 1986 and 2001". Irvine: Journal of Marriage and Family, 2012. e-journal.