Παραπομπή σε μορφή APA (7η εκδ.)

Malcuit, R. J. (2015). The Twin Sister Planets Venus and Earth: Why are they so different? Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Malcuit, Robert J. The Twin Sister Planets Venus and Earth: Why Are They so Different? Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Malcuit, Robert J. The Twin Sister Planets Venus and Earth: Why Are They so Different? Springer International Publishing : Imprint: Springer, 2015.