APA (7th ed.) Zitazioa

Rice, G. (1996). The Gardener's guide to perennials. Reed Internationals.

Chicago Style (17th ed.) Zitazioa

Rice, Graham. The Gardener's Guide to Perennials. London: Reed Internationals, 1996.

MLA (9th ed.) Zitazioa

Rice, Graham. The Gardener's Guide to Perennials. Reed Internationals, 1996.