APA (7th ed.) Citation

Upson, T., Andrews, S., Harriott, G., King, C., & Langhorne, J. (2004). The genus Lavandula. Timber Press.

Chicago Style (17th ed.) Citation

Upson, Tim, Susyn Andrews, Georita Harriott, Christabel King, and Joanna Langhorne. The Genus Lavandula. Portland, Or.: Timber Press, 2004.

MLA (9th ed.) Citation

Upson, Tim, et al. The Genus Lavandula. Timber Press, 2004.