APA (7th ed.) Citation

Frosch, W., & Cribb, P. (2012). Hardy cypripedium: Species, hybrids and cultivation. Kew Publishing, Royal Botanic Gardens, Kew.

Chicago Style (17th ed.) Citation

Frosch, Werner, and Phillip Cribb. Hardy Cypripedium: Species, Hybrids and Cultivation. Richmond, Surrey, UK: Kew Publishing, Royal Botanic Gardens, Kew, 2012.

MLA (8th ed.) Citation

Frosch, Werner, and Phillip Cribb. Hardy Cypripedium: Species, Hybrids and Cultivation. Kew Publishing, Royal Botanic Gardens, Kew, 2012.

Warning: These citations may not always be 100% accurate.