Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.