Παραπομπή σε μορφή APA (7η εκδ.)

Sheehan, W., & Conselice, C. J. (2015). Galactic Encounters: Our Majestic and Evolving Star-System, From the Big Bang to Time’s End. Springer New York : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sheehan, William, και Christopher J. Conselice. Galactic Encounters: Our Majestic and Evolving Star-System, From the Big Bang to Time’s End. New York, NY: Springer New York : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sheehan, William, και Christopher J. Conselice. Galactic Encounters: Our Majestic and Evolving Star-System, From the Big Bang to Time’s End. Springer New York : Imprint: Springer, 2015.