Citazione APA

Harris,Margaret, & Butterworth,George. (2002). Developmental Psychology: A Student's Handbook. Psychology Press.

Stile di citazione Chicago

Harris,Margaret, e Butterworth,George. Developmental Psychology: A Student's Handbook. NY: Psychology Press, 2002.

Citazione MLA

Harris,Margaret, e Butterworth,George. Developmental Psychology: A Student's Handbook. Psychology Press, 2002.