Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), D'Onofrio, M., Marziani, P., & Sulentic, J. W. (2012). Fifty Years of Quasars: From Early Observations and Ideas to Future Research. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Mauro D'Onofrio, Paola Marziani, και Jack W. Sulentic. Fifty Years of Quasars: From Early Observations and Ideas to Future Research. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Fifty Years of Quasars: From Early Observations and Ideas to Future Research. Springer Berlin Heidelberg : Imprint: Springer, 2012.