Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Okkels, N., Kristiansen, C. B., & Munk-Jørgensen, P. (2017). Mental Health and Illness in the City. Springer Singapore : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Niels Okkels, Christina Blanner Kristiansen, και Povl Munk-Jørgensen. Mental Health and Illness in the City. Singapore: Springer Singapore : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Mental Health and Illness in the City. Springer Singapore : Imprint: Springer, 2017.