Cita APA (7a ed.)

Stevens, D., & Buchan, U. (1996). The ultimate garden book for North America. Rizzoli.

Cita Chicago Style (17a ed.)

Stevens, David, y Ursula Buchan. The Ultimate Garden Book for North America. New York: Rizzoli, 1996.

Cita MLA (9a ed.)

Stevens, David, y Ursula Buchan. The Ultimate Garden Book for North America. Rizzoli, 1996.