APA (7th ed.) Citation

Royal Botanic Gardens, Kew, Forman, L., & Bridson, D. M. (1992). The Herbarium handbook (Revised edition.). Royal Botanic Gardens.

Chicago Style (17th ed.) Citation

Royal Botanic Gardens, Kew, Leonard Forman, and Diane M. Bridson. The Herbarium Handbook. Revised edition. Kew: Royal Botanic Gardens, 1992.

MLA (9th ed.) Citation

Royal Botanic Gardens, Kew, et al. The Herbarium Handbook. Revised edition. Royal Botanic Gardens, 1992.