Cita APA (7a ed.)

Royal Horticultural Society (Great Britain). (2002). RHS plants for every season. Dorling Kindersley.

Cita Chicago Style (17a ed.)

Royal Horticultural Society (Great Britain). RHS Plants for Every Season. London: Dorling Kindersley, 2002.

Cita MLA (8a ed.)

Royal Horticultural Society (Great Britain). RHS Plants for Every Season. Dorling Kindersley, 2002.