Παραπομπή σε μορφή APA (7η εκδ.)

Chen, J. L., & Chen, A. (2015). A Guide to Hubble Space Telescope Objects: Their Selection, Location, and Significance. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chen, James L., και Adam Chen. A Guide to Hubble Space Telescope Objects: Their Selection, Location, and Significance. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Chen, James L., και Adam Chen. A Guide to Hubble Space Telescope Objects: Their Selection, Location, and Significance. Springer International Publishing : Imprint: Springer, 2015.