Citazione Stile APA (7a Edizione)

Helton, J. M., Johnson, S. D., Greene, J. E., & Chen, H. (2021). Discovery and origins of giant optical nebulae surrounding quasar PKS 0454-22.

Citazione stile Chigago Style (17a edizione)

Helton, Jakob M., Sean D. Johnson, Jenny E. Greene, e Hsiao-Wen Chen. Discovery and Origins of Giant Optical Nebulae Surrounding Quasar PKS 0454-22. 2021.

Citatione MLA (9a ed.)

Helton, Jakob M., et al. Discovery and Origins of Giant Optical Nebulae Surrounding Quasar PKS 0454-22. 2021.