APA (7th ed.) Zitazioa

Gaston, P. (1978). W.D. Snodgrass. Twayne.

Chicago Style (17th ed.) Zitazioa

Gaston, Paul. W.D. Snodgrass. Boston: Twayne, 1978.

MLA (9th ed.) Zitazioa

Gaston, Paul. W.D. Snodgrass. Twayne, 1978.