APA (7th ed.) Citation

Royal Botanic Gardens, Kew. (2009). Official guide to the North Gallery (Sixth edition, revised and augm.). Royal Botanic Gardens, Kew.

Chicago Style (17th ed.) Citation

Royal Botanic Gardens, Kew. Official Guide to the North Gallery. Sixth edition, revised and augm. Richmond, Surrey: Royal Botanic Gardens, Kew, 2009.

MLA (9th ed.) Citation

Royal Botanic Gardens, Kew. Official Guide to the North Gallery. Sixth edition, revised and augm. Royal Botanic Gardens, Kew, 2009.