Παραπομπή σε μορφή APA (7η εκδ.)

Sturmey, P., & Williams, D. E. (2016). Pica in Individuals with Developmental Disabilities. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sturmey, Peter, και Don E. Williams. Pica in Individuals with Developmental Disabilities. Cham: Springer International Publishing : Imprint: Springer, 2016.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sturmey, Peter, και Don E. Williams. Pica in Individuals with Developmental Disabilities. Springer International Publishing : Imprint: Springer, 2016.