Παραπομπή σε μορφή APA (7η εκδ.)

Lobanov, A., & Zensus, J. (2001). A Cosmic Double Helix in the Archetypical Quasar 3C273. Science (pre-March 2025), 294(5540), 128. https://doi.org/10.1126/science.1063239

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lobanov, A.P, και J.A Zensus. "A Cosmic Double Helix in the Archetypical Quasar 3C273." Science (pre-March 2025) 294, no. 5540 (2001): 128. https://doi.org/10.1126/science.1063239.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lobanov, A.P, και J.A Zensus. "A Cosmic Double Helix in the Archetypical Quasar 3C273." Science (pre-March 2025), vol. 294, no. 5540, 2001, p. 128, https://doi.org/10.1126/science.1063239.