Παραπομπή σε μορφή APA (7η εκδ.)

Gardner, F., Montgomery, P., Fisher, & H. (2008). Opportunities Provision for Preventing Youth Gang Involvement For Children and Young People (7-16).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gardner, F., P. Montgomery, Fisher, και H. Opportunities Provision for Preventing Youth Gang Involvement For Children and Young People (7-16). 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gardner, F., et al. Opportunities Provision for Preventing Youth Gang Involvement For Children and Young People (7-16). 2008.