Παραπομπή σε μορφή APA (7η εκδ.)

Năstase, H., & Năstase, H. (2019). Cosmology and String Theory (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-15077-8

Παραπομπή σε μορφή Chicago (17η εκδ.)

Năstase, Horaţiu, και Horaţiu Năstase. Cosmology and String Theory. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-15077-8.

Παραπομπή σε μορφή MLA (8th εκδ.)

Năstase, Horaţiu, και Horaţiu Năstase. Cosmology and String Theory. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-15077-8.