APA (7th ed.) Zitazioa
Ruggles, C. L. N., Urton, G., & Aveni, A. F. (2007). Skywatching in the ancient world: New perspectives in cultural astronomy : studies in honor of Anthony F. Aveni. University Press of Colorado.
Chicago Style (17th ed.) Zitazioa
Ruggles, C. L. N., Gary Urton, eta Anthony F. Aveni. Skywatching in the Ancient World: New Perspectives in Cultural Astronomy : Studies in Honor of Anthony F. Aveni. Boulder, Colorado: University Press of Colorado, 2007.
MLA (9th ed.) Zitazioa
Ruggles, C. L. N., et al. Skywatching in the Ancient World: New Perspectives in Cultural Astronomy : Studies in Honor of Anthony F. Aveni. University Press of Colorado, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.