APA (7th ed.) Citation

Pilbeam, J., & Bowdery, D. (2005). Ferocactus (1. ed.). British Cactus and Succulent Soc.

Chicago Style (17th ed.) Citation

Pilbeam, John, and Derek Bowdery. Ferocactus. 1. ed. [Oxford]: British Cactus and Succulent Soc, 2005.

MLA (9th ed.) Citation

Pilbeam, John, and Derek Bowdery. Ferocactus. 1. ed. British Cactus and Succulent Soc, 2005.