Παραπομπή σε μορφή APA (7η εκδ.)

Benson, D. J., & Cohen, F. R. (1991). Mapping class groups of low genus and their cohomology. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Benson, D. J., και Frederick R. Cohen. Mapping Class Groups of Low Genus and Their Cohomology. Providence, R.I., USA: American Mathematical Society, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Benson, D. J., και Frederick R. Cohen. Mapping Class Groups of Low Genus and Their Cohomology. American Mathematical Society, 1991.