Παραπομπή σε μορφή APA (7η εκδ.)

Epstein, C. L. (1985). The spectral theory of geometrically periodic hyperbolic 3-manifolds. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Epstein, Charles L. The Spectral Theory of Geometrically Periodic Hyperbolic 3-manifolds. Providence, R.I., USA: American Mathematical Society, 1985.

Παραπομπή σε μορφή MLA (9th εκδ.)

Epstein, Charles L. The Spectral Theory of Geometrically Periodic Hyperbolic 3-manifolds. American Mathematical Society, 1985.