Παραπομπή σε μορφή APA (7η εκδ.)

Snapper, E. (1957). Cohomology groups and genera of higher-dimensional fields. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Snapper, Ernst. Cohomology Groups and Genera of Higher-dimensional Fields. Providence, R.I.: American Mathematical Society, 1957.

Παραπομπή σε μορφή MLA (9th εκδ.)

Snapper, Ernst. Cohomology Groups and Genera of Higher-dimensional Fields. American Mathematical Society, 1957.