Παραπομπή σε μορφή APA (7η εκδ.)

Cheung, E., Trump, J., Athanassoula, E., Bamford, S., Bell, E., Bosma, A., . . . Willett, K. (2014). Galaxy Zoo: Are Bars Responsible for the Feeding of Active Galactic Nuclei at 0.2 < z < 1.0?

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cheung, E., et al. Galaxy Zoo: Are Bars Responsible for the Feeding of Active Galactic Nuclei at 0.2 < Z < 1.0? 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cheung, E., et al. Galaxy Zoo: Are Bars Responsible for the Feeding of Active Galactic Nuclei at 0.2 < Z < 1.0? 2014.